1 . Li Wei failed the job interview because of his broken English. Only then ______ how important it was to learn English well.

A．had he realized	B．he realized
C．he had realized	D．did he realize

2 . 她提出了一个增加销售量的好主意。
She _______________ a good idea for increasing sales.

3 . When his father came in, he ______ (pretend) to be doing his homework. (所给词的适当形式填空)

4 . A bomb ___________ (爆炸) in the centre of the city.（根据汉语提示单词拼写）

5 . She ___________ (divide) the pears among the boys. (所给词的适当形式填空)

6 . Jack ____________ (道歉) to the teacher for being late for school.（根据汉语提示单词拼写）

7 . The old couple visited Paris and eventually ____________ (定居) there. （根据汉语提示单词拼写）

8 . Tangshan earthquake ____________ (出现，发生) in 1906. （根据汉语提示单词拼写）

9 . That writing system ________ of great impotance in uniting the Chinese people and culture

A．being

B．are

C．was

D．to be