1 . It ______(announce) that there will be a celebration on National Day. （所给词的适当形式填空）

2 . —Last month Frank went to Smart China Expo in Chongqing.
—_______. And _______.

A．So did he; so did I	B．So he did; so I did
C．So did he; so I did	D．So he did; so did I

3 . At present, lots of people would rather ________ in the country because there is ________ pollution in the city.

A．live; more

B．to live; less

C．live; less

D．to live; more

4 . The big box ________ on and I ________ on it.

A．is used to sitting; am used to sitting	B．is used to sit; am used to sit
C．is used to sitting; am used to sit	D．is used to sit; am used to sitting

5 . Either his parents ________ his brother ________ invited.

A．or, were

B．or, was

C．nor, were

D．and, were

6 . It’s ________ to make others ________ for you so long.

A．polite; to wait	B．impolite; wait
C．impolite; waiting	D．politely; waiting