一、根据句意及所给中文提示、首字母或英文解释，写出句中所缺单词，每空限填一词。
1. Peter has a poor (记忆力)and often forgets the names of people around him.
2. Yuan Longping is (认为)the “Father of Hybrid Rice”. Everyone admires him greatly.
3. If you are (不确定)where to go for help, you can always go to your teachers.
4. — Where has your father gone?
— He has gone to Italy on (出差).
5. Mum asked me to clean my room because it was in such a m.
6. Remember to turn off the lights and l the door when you leave the house.
7. His grandma has a (bad or dangerous)illness. Everyone in his family worries about her.
8. This old photo (to help sb. remember sth. )me of my primary school teachers. They were very kind to me.

一、1. memory 2. considered 3. unsure 4. business 5. mess 6. lock 7. serious 8. reminds

二、根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. I haven't decided what (do)next. Could you give me some advice?
2. My grandma is (forget)and often repeats herself when she tells a story.
3. The robots are smart enough (help)me with my homework.
4. — Excuse me, where is the gate?
— Go down those (stair)and turn right, and then you'll see it.
5. — Tom, you are too slow (finish)the work on time.
— Please don't push me. I'm doing my best now.
6. — How do you improve your spoken English, Sandy?
— Reading English for 15 minutes is part of my (day)study.
7. Sam noticed a man with black glasses (steal)the old woman's mobile phone when he got on the bus.
8. — Do you have a pet like a cat or a dog?
— No. My mum thinks it too much trouble (keep)a pet.
9. — They found it hard (reach)the top of the mountain before sunrise.
— Yes, everyone was tired out.
10. — The scarves are all beautiful. I can't decide which one (choose).
— Look at this blue one. I think it's the most beautiful.

二、1. to do 2. forgetful 3. to help 4. stairs 5. to finish 6. daily 7. stealing 8. to keep 9. to reach 10. to choose

三、单项选择。
() 1.Please leave your name and telephone number our manager can contact you later.

A.whatever
B.because
C.so that
D.as soon as

三、1~5. CBBCA 6~10. DDABB