A_____ achieVement of electronics is the electronic computer.

A.Each B.Either C.Any D.One

A.Oh, what a pity! B.Oh, dear, how awful.it is!

C.Oh, that doesn 't matter. D.Oh, I’m so sorry about that.

A. that

B. it

C. this

D. those

A.Sure，my pleasure

B.Don’t ask me

C.I don’t know

D.Not my business

A.Oh，what a pity!

B.Oh，dear，how awful.it is!

C.Oh，that doesn't matter.

D.Oh，I'm so sorry about that.

A.Good

B.Quite well

C.No problem

D.Not bad

A. Many

B. A great many

C. A large number of

D. A great deal of

A)loose

B)remove

C)relieve

D)dismiss

A)hang on

B)draw on

C)wait on

D)count on

A.put aside

B.put up

C.put off

D.put away