It is obvious that the hopes, goals, fears and desires ________ widely between men and women, between the rich and the poor．

A．urge

B．transform

C．vary

D．exchange

I'm not ill．________, I 'm very healthy．

A．However

B．On the contrary

C．Thus

D．Instead of

________ the kids have left home, we've got a lot of extra space．

A．As soon as

B．While

C．Now that

D．Before

The naughty boy ________ to me that the hen ________ there just now had ________ two eggs the day before．

A．laid; laid; laid

B．laid; lay; lain

C．lied; laid; lain

D．lied; lying; laid

________ David showed the report to the public surprised me．

A．What

B．That

C．Which

D．Who

The reason for his success is ________ he worked very hard．

A．why

B．that

C．whether

D．how

Word came ________ the students would put off the outing until next week, when they wouldn't be busy．

A．that

B．when

C．which

D．whether

He ________ at once when I promised to help him．

A．cheered up

B．gave up

C．broke up

D．turned up

After going into the concert hall, the mother ________ a friend and went over to greet him．

A．searched

B．knew

C．spotted

D．realized

According to the school rules, no student ________ go out of the school after eleven o'clock at night without the teacher's permission．

A．will

B．must

C．may

D．shall