【Start Your Journey】
A. 用must/mustn't/can/can't/have to填空，完成哈尔滨东北虎林园的参观规则。
1. Everyone keep a safe distance(距离) from the tigers. It's the most important rule.
2. Visitors feed the tigers with food we bring. It's bad for their health.
3. Students take photos of the tigers from the safe viewing area.
4. Tourists follow the guide's instructions when walking in the park to keep safe.
5. Each child shout or make loud noises. It will frighten the animals.
6. Every visitor put the rubbish into the dustbin(垃圾桶). It's our duty to keep the park clean.
7. You ask the workers for help if you get lost in the park.
8. We climb over the protective fences. We may get hurt by the tigers.
9. People follow these rules to enjoy a safe and happy trip.

1. must
2. mustn't
3. can
4. must/have to
5. mustn't
6. must/has to
7. can
8. mustn't
9. must/have to

本题考查情态动词must、mustn't、can、can't、have to的词义辨析，先明确各词的基础用法：
1. must：意为“必须”，侧重规则提出的主观义务，带有强制意味；
2. mustn't：意为“禁止、不准”，用于说明绝对不允许做的行为；
3. can：意为“可以、能够”，用于说明被许可、允许做的行为；
4. can't：意为“不能、不可以”，指不被许可做某事；
5. have to：意为“不得不”，侧重客观条件要求下必须做某事，主语为第三人称单数时形式变为has to。
结合每句语境逐一分析：
1. 该句强调保持安全距离是园区最重要的强制规则，用must；
2. 该句说明自带食物喂老虎对老虎健康有害，是明令禁止的行为，用mustn't；
3. 该句说明在安全观览区拍照是园区允许的行为，用can；
4. 该句说明为了保障安全，游客需要听从导游指示，符合强制要求的语境，可用must/have to；
5. 该句说明大喊制造噪音会吓到动物，是禁止的行为，用mustn't；
6. 该句说明扔垃圾进垃圾桶是保持园区清洁的义务，主语every visitor是第三人称单数，可用must/has to；
7. 该句说明迷路时向工作人员求助是被许可的可行做法，用can；
8. 该句说明翻越围栏有被老虎伤害的风险，是绝对禁止的危险行为，用mustn't；
9. 该句说明遵守规则是获得安全愉快旅行的必要要求，符合规则强制的语境，可用must/have to。

B. 根据短文内容，填写所缺单词或用所给单词的适当形式填空，完成下面有关哈尔滨大剧院参观规则的内容。
Harbin Grand Theatre is one of the most famous theatres in China. It's well-known for its 1. (beauty) music shows. To make sure everyone has a 2. (wonder) experience, all 3. (visit) must follow the rules 4. (strict). These rules help keep good order and show our respect 5. musicians and other listeners.
First, you must arrive on time. The concert starts at 7:00 p. m. 6. ______ (exact), so you'd better get there 15 minutes early. No one can enter the hall after the concert 7. ______ (begin)—this will disturb others. Anyone who enters the theatre 8. ______ (have) to show their ticket first, as it's a basic rule for entry.
Second, you must keep quiet. Talking loudly, eating snacks 9. using mobile phones is not allowed. You must turn off your phones, because any noise will break the 10. (peace) atmosphere. It's important for us 11. (be) polite listeners. Third, you mustn't take photos during the show. It's against the rules and will affect the 12. (musician) performance. You can take photos in the hallways after the concert. Fourth, please take care 13. the environment. Don't throw rubbish anywhere. And be 14. (care) not to touch the instruments or decorations! We should also avoid 15. (make) unnecessary noise in the theatre.

1. beautiful 2. wonderful 3. visitors 4. strictly 5. for 6. exactly 7. begins 8. has 9. or 10. peaceful 11. to be 12. musicians' 13. of 14. careful 15. making

本题考查七年级核心的词性转换、固定搭配、一般现在时主谓一致等知识点，逐空解析如下：
1. 空后是名词短语music shows，需要用形容词修饰名词，beauty的形容词形式为beautiful。
2. 空后是名词experience，需要用形容词修饰名词，wonder的形容词形式为wonderful。
3. 空前all表示“所有的”，后接可数名词复数，此处指代参观者，visit对应的名词visitor的复数形式为visitors。
4. 此处修饰动词follow，需要用副词，strict的副词形式为strictly。
5. 固定搭配show respect for sb. 意为“对某人表示尊重”，填介词for。
6. 此处修饰动词starts，需要用副词，exact的副词形式为exactly。
7. 主语the concert是第三人称单数，句子为一般现在时，谓语动词用第三人称单数形式begins。
8. 主语Anyone是单数概念，句子为一般现在时，谓语动词用第三人称单数形式has。
9. 此处连接三个并列的作主语的动名词短语，表“任一行为”，对应后面的单数谓语is，否定语境下用or连接。
10. 空后是名词atmosphere，需要用形容词修饰名词，peace的形容词形式为peaceful。
11. 固定句型It's + 形容词 + for sb. to do sth. 意为“对某人来说做某事是……的”，填to be。
12. 此处表示“音乐家们的演出”，需要用名词所有格，musician的复数所有格为musicians'。
13. 固定搭配take care of 意为“爱护、照料”，填介词of。
14. 固定搭配be careful not to do sth. 意为“小心不要做某事”，care的形容词形式为careful。
15. 固定搭配avoid doing sth. 意为“避免做某事”，填making。