1 . ________ from space, the earth, with water________ 70% of its surface, looks like a blue ball.

A．Seen; covered

B．Seen; covering

C．Seeing; covering

D．Seeing; covered

2 . —You like the Lenovo Computer. Why not buy one?
—Well. I can’t afford ________ computer.

A．that expensive a

B．a that expensive

C．that an expensive

D．an expensive that

3 . —Shall we go and visit the History Museum next Sunday?
—________

A．Here you are

B．Sorry, I can’t

C．Yes, please

D．Let me try

4 . Mr Black announced ________ his friends his engagement ________   Miss White.

A．/; to

B．to; to

C．/; with

D．to; with

5 . What shall we use for power when all the oil in the world has________.

A．given out	B．put out
C．held up	D．used up

6 . My English-Chinese dictionary has disappeared. Who_____ have taken it ?

A．should

B．must

C．would

D．could

7 . —Excuse me, but I want to use your computer to type a report.
—You _____ have my computer if you don’t take care of it.

A．shan’t

B．might not

C．needn’t

D．shouldn’t

8 . ________ on a famous novel, the TV play presents a colorful picture of the 196os’ China to the viewers.

A．Basing

B．Based

C．To base

D．Being based

9 . The cakes are delicious. He’d like to have ________ third one because ________ second one is rather too small.

A．a; a	B．the; the
C．a; the	D．the; a

10 . The manager， it clear to us that he didn’t agree with us， left the meeting room.

A．who has made

B．having made

C．made

D．making