1 . Be especially careful of the description ____________ (contain) in advertisements. (所给词的适当形式填空)

2 . The suggestion _____________ (提出)by the teacher is available. (根据汉语提示完成句子)

3 . Most of the artists ______ to the party were from South Africa.

A．invited

B．to invite

C．being invited

D．had been invited

4 . The element radium, ________ in the chemistry lab, gave off a faint blue light.

A．discovered

B．to be discovered

C．to discover

D．discovering

5 . Mrs. White showed her students some old maps________ from the library.

A．borrowed

B．to be borrowed

C．to borrow

D．borrowing

6 . The man ________ at the meeting is the one ________ on the ground.

A．referred to; lying	B．referred; lying
C．referring to; lay	D．referring; laid

7 . But he became inspired when he thought about helping ordinary people e_______（暴露）to cholera.

8 . In my city, there is an annual firework show________(sponsor) by the government. (所给词的适当形式填空）

9 . The players ________ from the whole country are expected to bring us honor in this summer game.

A．selecting	B．to select
C．selected	D．having selected

10 . The producer comes regularly to collect the cameras ________ to our shop for quality problems.

A．returning	B．returned
C．to return	D．to be returned