一、根据句意及所给中文提示、首字母或英文解释，写出句子所缺单词，每空限填一词。
1. Early this morning, I was busy _______________（挖）in the garden to plant trees.
2. It’s _______________（明智的）of people to protect the environment.
3. Gun violence in the USA is still a _______________（bad or dangerous）problem.
4. —You can hardly imagine the pleasure of talking through WeChat.
—Really? But it may _______________（to make something happen）you much trouble if somebody gets your personal information.
5. The doctor gave my grandpa some medicine to r_______________ his pain.

1. digging 2. wise 3. serious 4. cause 5. reduce

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. Our country is taking action to cut down on air _______________（pollute）.
2. —Will more apples _______________（pick）tomorrow? —Yes.
3. You should save energy by _______________（walk）to work.
4. —I’m so tired after the long journey that I want to go to bed at once.
—You’d better _______________（take）a shower first and then have a rest.
5. Father’s Day is coming. Remember _______________（show）love to your father.

1. pollution 2. be picked 3. walking 4. take 5. to show

( )1. He is a ________ person，but he is good at telling funny stories.
A. serious
B. patient
C. kind
D. humorous

1. A 【点拨】serious 严肃的；patient 有耐心的；kind 友好的；humorous 幽默的。根据 but 可知，前后语意存在转折。故选 A。

( )2. ________ English well，you need to practise speaking and listening every day.
A. Learning
B. To learn
C. To learning
D. Learn

2. B 【点拨】动词不定式短语作目的状语。故选 B。

( )3. —Jack，remember ________ off the lights when ________ your bedroom.
—OK，I won’t forget，Mum.
A. turning；leaving
B. to turn；leave
C. turning；left
D. to turn；leaving

3. D

( )4. Nowadays，we don’t have enough resources to use. It’s everyone’s duty to save them for the future. To save resources，we should ________.
①throw away a pencil without completely using it
②collect waste things for recycling
③go to school by bike instead of by car
④turn off the tap while brushing our teeth
⑤keep the lights on day and night
A. ①②⑤
B. ②③④
C. ②④⑤
D. ①④⑤

4. B 【点拨】由常识可知②③④是节约能源的行为。故选 B。