_________ water to grow is well-known.

A. That trees need      　　　 B. These trees need

C. That tree needs      　　　 D. Trees need

It worried her a bit________ her hair was turning grey.

A. while　　 B. that　　 C. if　　　 D. for

I called Hannah many times yesterday evening, but I couldn’t get through. Her brother ________ on the phone all the time!

A. was talking　　 B. has been talking　　　　　　 C. has talked D. talked

_______ didn’t attend the lecture yesterday won’t be given full marks.

A. Any one　 　 B. Whoever　 C. Who　　　　 　　 D. The person

All the doctors in the hospital insisted that the wounded passer-by　　　 at once．

A．be operated on　 　　　　　 B．was operated　　

C．was operated on　　　　　　　　 D．be operated

The thief was caught by a ______ in plain clothes.

A. police　　 B. policeman　 C. policemen　 D. policewomen

When Mr. Li is away, he leaves ___________.

　 A. the class in charge of our monitor　 B. the class in the charge of our monitor

　 C. our monitor in charge for the class D. our monitor in the charge of the class

What he said made us 　　　 .?

A.to surprise　　 B.surprise　 C.surprising　　 D.surprised?

—Did you write to Mary last month?

　　—No, but I’ll her over Christmas Day.

　　A. be seen B. be seeing C. have seen D. have been seeing

Electricity and gas have largely ___________ __________ __________ __________ coal for cooking and heating.

在做飯和取暖方面，電和煤氣在很大程度上已經(jīng)取代了煤。