1. ______ useful information you’ve found on _______internet.

A. What; the  B. What a ; the    

C. What an; the   D. How; an

2. — There’s somebody at the door. Who ____ it be? Is it the postman?

— No. It ____ be him. It’s just seven o’clock. It’s too early.

A. must, may not   B. will, won’t    

C. may, mustn’t    D. may, can’t

3. Demi Moore is famous ________the film Ghost and Michael Jordan is famous________the most valuable player.

A. for, for      B. for, as        

C. as, as        D. as, for