Fireworks　　　 the beauty of the Festival night.

A.added　　　　　　 B.added up　　　 C.added up to　　　 D.added to

Some of the suspects _____ refused to answer and kept their mouths shut.
    A. questioning    B. being questioned    C. questioned     D. to be questioned 

_______ the thick fence, he would have been more fearful.（ ）

A. But for　　　 B. Without　　　 C. If it were not for　　 D. both A and B

—Can we get everything ready by the weekend?

　 —It all depends on _______ we can get Mr. Green’s co-operation.

　 A．that　　　　 B．what　　　　 C．whether　　 D．if

It was hot, and we decided to walk in the ______（陰影）of the wall.

He ______ vivid ______ of what he saw.

Professor Li always allows his students to voice their opinions in class, ______ sometimes their opinions are not sound.

A. so that　 B. in case　 C. even if　　 D. as though　　　

That dog’s running again,The Smiths should keep it in the fence or that least,_____.

A.tie up　　　　 B.tying up　　　 C.tied up　　　 D.to tie it up

We are going to Mount Tai for s　　　　 .

He was admitted into Beijing University and years of his hard work ____ eventually．

　 A．paid off　 B．were paid off 　　　　 C．had paid off D．had been paid off