29.(　 )The travelers __________on top of the mountain. They called 110 for help.

A. trapped　　 B. were trapped　　 C. trapping　　 D. are trapping

28.(　 ) Every year natural disasters kill _____people.

A. three thousands　　 B. thousands of　　 C. thousand of　　 D. three thousands of

27.(　 ) ---Why are you late for school?

　　　 --- _____ I didn’t catch the early bus.

A. As　　 B. Since　　　 C. Because　 D. Because of

26.(　 ) A strong ______ blew from behind and we couldn’t hold our umbrella.

　　 A. snow　　 B. cloud　 C. rain　 D. wind

25.(　 ) --- ______ is the weather like today?

　　　 --- It’s _____.

　　 A. How, windy　 B. What, windy　　 C. How, wind　　 D. What, wind

24.(　 ) A flood ____the village away last year.

A. moved　 B. blew　 C. took　 D. washed

23. The excited girl _______ quickly.

A. come down　 B. clamed down　 C. call down　 D. put down

22.(　 ) The monitor advises us ________ every morning.

　　 A. mop up it　 B. to mop it up　 C. mop it up　 D. to mop up it

21.(　 ) Last night I heard a noise _____thunder.

A. as　　 B. like　 C. so　　 D. from