1 . They filled in surveys to __________ (评估) their personality type. (根据中文意思，补全句子)

2 . 海豚用声音相互沟通。
Dolphins use sound to ____________ ____________ each other.

3 . We want people to a________ the habit of using public transportation instead of their cars. （根据首字母单词拼写）

4 . 选择词组并用适当的形式填空, 每个词组只用一次

1. As a father with five children, it is impossible for the man to __________by that little salary.
2. A good idea _________ Jane while she was talking to Mary..
3. Their school life is quite relaxing and they have time to __________ and gossip.
4. __________ will he give up this precious chance.
5. She __________ a holiday, away from work and her household chores.

5 . I believe I will make new friends here and there's a lot to e_____ at senior high. (根据首字母单词拼写)

6 . He will be free tomorrow, so he will go to the hospital to _________ (照顾；护理) his uncle. （根据汉语意思填空）

7 . The pressure ______ causes Americans to be energetic, but it does put them under a constant emotional strain.

A．to compete	B．competing
C．to be competed	D．having competed

8 . Today I have a composition _________________(要写). (to)

9 . We prefer__________alone rather than__________.

A．staying; go out	B．staying; going out
C．to stay; to go out	D．to stay; go out