Work means much to me. It is _________ of my life _________ air, water and sunlight.

　 A. a part as much; as　　　　　　　　 B. as much a part; as

　 C. as a part much; as　　　　　　　　 D. so much a part; as

—Poor Steve! I could hardly recognize him just now!

— ______ . He has changed so much.

A. Never mind B. No problem　 C. Not at all D. Me neither

你能从相貌上把汤姆和他的孪生兄弟分辨开吗？(tell by)

___________________________(面对艰难的形势), Arnold decided to ask his boss for advice. (face)

There________a great number of students entering for the competition，and the number of them________increasing.

A．is；is 　　 B．are；are 　 C．is；are 　　　 D．are；is

He was a little boy, but he___as if he was an adult.

A. moved　　　 B. watched　　　　 C. behaved　　　　 D. changed

The museum has enough exhibits to keep anyone o　　　 for an hour or two.?

None of the students watched the teacher______.

　 A. careful enough 　 B. enough carefully

　 C. carefully enough 　 D. enough careful

Many new workers _____ trained and in two months they will _____ to build a new railway.

　　A.are; be sending 　　　　　　B.are being; be sent

The two dogs started to fight, so we tried to ________ them.

A. split    　　　　 B. separate    　　　　 C. tear    　　　　　　 D. divide