When a pencil is partly in a glass of water，it looks as if it　　  ．

A．breaks    B．has broken    C．were broken    D．had been broken

The little boy is dirty from head to foot because he ________ in the mud all morning.

A. has played　　　　 B. is playing　　　　   C. has been playing D. was playing

________ is no doubt that the Dellas Mavericks will defeat the Washington Wizards in the next game.

A. It　　　　　　　　　　  B. As　　　　　　　　　　 C. That　　　　　　　　 D. There

Thousands of teachers ________ into their new flats and the rest of them ________ for others. The government say many more apartment buildings ________

A. have moved; is waiting; are to be built

B. have been moved; are waiting; will be completed

C. have been moved; is waiting; will have been putting up

D. have moved; are waiting; are to be set up

—They all agree ________ George. Has the project been passed?

—Who ________ George can make the final decision?

A. except; except　　　　　　　　　　　　　　   B. except; besides

C. but; but　　　　　　　　　　　　　　　　　　　　 D. besides; but

The boy the teachers considered ________ failed in the final exam, ________ surprised them very much.

A. to be the best; which　　　　　　　　　　  B. as the best student; that

C. to have been studying well; it　　　　   D. such as a good student; which

The boy lay on his back, his teeth________and his glaring eyes________.

A. set; looked 　　　　　　　　　　　　　　　　   B. set; looking

C. setting; looked 　　　　　　　　　　　　　　  D. setting; looking

________several times, the young scientist still kept on making his experiments.

A.　　  Having been failed 　　　　　　　　　　   B. Having failed

C. Though failed 　　　　　　　　　　　　　　   D. Because of failure

I wanted to get up early, but my alarm clock didn’t _____.

A. take off   B. turn off  C. go off   D. stay away

After that more and more countries _____ the Games.

A. joined    B. joined in    C. took part   D. attended to