So fast ________ that I could not catch up with them.
| A．did they run | B．they had run | C．they ran | D．had they run |
_______ she was invited to the ball made her very happy.
| A．Whether | B．Because | C．What | D．That |
Tom was over there. His red clothes stood out clearly _____the snow.
| A．behind | B．for | C．against | D．beyond |
Mike did the homework _______ it took me.
| A．one-third a time | B．one-third the time |
| C．a one-third time | D．one-third time |
Oh, my God! Is this your room? The furniture here remains _____ with such thick dust!
| A．covered | B．covering | C．to cover | D．be covering |
Her new book on how to get along with others is to _______ next month.
| A．give out | B．get out | C．turn out | D．come out |