They have no idea at all ____.

A. what he is working on            B. what is he working on

C. what did he work on             D. what he is working

I shall never forget the day ______Shen Zhou V was launched , _______ has a great effect on my life .

         A．when , which    B．that , which        C．which ,that       D．when , that

  When the injured _____ to the hospital , they came to          .

         A．was rushed , life       B．were rushed , life C．rushed , lives          D．were rushed , lives

I was advised to arrange for insurance(保險(xiǎn)) _______ I needed medical treatment.

A. nevertheless        B. although      C. in case D. so that

I haven’t seen you for a couple of days . What have you been up ____?

         A. in         B. to          C. with    D. for

“Did you get _____ to the party?” “Yes, I replied to it this morning.”

A. an answer   B. an invitation

C. a question   D. a letter

“Would you like me to show you the way?” “_______.”

A. That’s very kind of you.   B. Yes, you could.

C. Good idea! D. With great pleasure!

Mary clapped her hand over her mouth _______ she realized what she had said.

A. while  B. as soon as

C. suddenly    D. then

It is said that his missing books were ______the possession of his former wife and they were valued____500,000$

A. in ; to     B. in; at      C. under; at     D. to; for

I was ashamed____ my failing the exam and decided on a measure to make up for it.

   A. of; upon    B.for; on    C.at;on   D. about; upon