1 . In most places around the world, frowning and ________(背对)someone shows anger. (根据汉语提示完成句子)

2 . After o________ many difficulties, we achieved our goal. (根据首字母单词拼写)

3 . E________ your knowledge by reading more books is a wise choice. (根据首字母单词拼写)

4 . ________ the party was a great honor to the family.

A．Being invited to

B．Inviting to

C．Invited to

D．Be invited to

5 . Something must be done to prevent our city________ by thick smoke.

A．to be polluted

B．from polluting

C．from being polluted

D．polluting

6 . Being a clown doctor means I can help people by ______ (使娱乐)them. (根据汉语提示单词拼写)

7 . It is hard to imagine a student f_____________ his attention on the textbook while others are playing.

8 . It's impolite to keep _________ (打断) a speaker during a lecture

9 . As a famous pop star, he loves being______(surround) by so many fans coming to visit him. (所给词的适当形式填空)

10 . 选词填空

be exposed to；to one’s credit；function as；be modelled after；apart from

1. His painting style _____________________that of Picasso.
2. Athens, _________a center of the trade in the 13^th century,   is a charming tourist attraction now.
3. __________________, you have inspired him to make efforts to achieve his job.
4. _______________the polluted air upset the people in the city.