People have heard _______ the President has said; they are waiting to see _______ he will do.

    A. how, how          B. what, what

C. when, how         D. that, what

She was so angry and spoke so fast that none of us understood _______ he said meant.

    A. that                     B. what

    C. that that                D. what what

  Those black clouds are a sure _____ that it’s going to rain.

A. thing  B. mark

C. sign    D. one

 “_____ when does the pub stay open？”  “About midnight.”

    A. SinceB. Before

C. UntilD. After

They promise that the work would all be finished _____ next week.

A. until   B. in

C. by      D. to

They knew nothing about ______ he was a thief.

A. that    B. which

C. what   D. the fact that

“Will you go skiing with me this winter vacation？” “It ______.”

    A. all depend                     B. all depends

C. is all depended                D. is all depending

—John has put forward _______ most challenging question for us to answer.

—Yes, it really is. I have never heard _______ harder one.

A. the; 不填   B. 不填; the

C. the; the      D. a; a

I once watched _______ one-act play, which was played by _______ 11-year-old boy.

A. a, aB. an, an

C. a, anD. an, a

Most businessmen are more interested in the ________ success of their products than their educational  values.

A. cultural B. commercial C. classical D. criminal