_______ is no doubt that the Rockets will defeat the Washington Wizards in the next game.
| A．It | B．As | C．That | D．There |
. I’m afraid I’ll turn to Prof. Timlingson. It is .
| A．too difficult a problem | B．a too difficult problem |
| C．such difficult problem | D．a so difficult problem |
--- Excuse me, sir. Would you do me a favor?
--- Of course. What is it?
--- I _____ if you could tell me how to fill out this form.
| A．had wondered | B．was wondering | C．would wonder | D．did wonder |
. Please _____ and wait a while. We’ll begin our meeting soon.
| A．take a seat | B．have a seat | C．sit down | D．all the above |
She heard a terrible noise, __________ brought her heart into her mouth.
| A．it | B．which | C．this | D．that |
. They are given a lot of books ___________ are all young women.
| A．whom | B．whose writers | C．who | D．writers of which |