He doesn ' t have enough（)，while his brother is（)in repairing cars.A)experiences; e

All I can do now is nothing().

A)but waiting

B) but wait

C)except waiting

D)only to wait

These results must be accurate, because all the calculations have been done by an()

computer.

A)electric

B)electronic

C)electrical

D)electricity

Mother told me that she will come back()，maybe in a few weeks .

A)long ago

B)long before

C)later on

D)before long

The road was wet this morning.It()last night

A)must be raining

B)By must rain

C)must have rained

D)have been rained

Under no()should you leave this city.

A)conditions

B)circumstances

C)situations

D)environment

What will happen to the children if their parents()some day?

A)break out

B)break away

C)break up

D)break off

th.

A)discovered

B)confirmed

C)ascertained

D)inquired

()the opportunity, everyone of us will be a success.

A)Giving

B)Given

C)Give

D)Gave

w energy resources can be found to replace oil.

A) chances

B) opportunities

C) questions

D) Problems

The only thing now standing()of further progress is lack of money.

A)on the way

B)in the way

C)by the way

D)off the way