I knew nothing about the accident except I read in the newspaper .
| A．that | B．what | C．which | D．whether |
– Listen! It’s raining.
-- Oh, really? I ________ it at all.
| A．didn’t realize | B．don’t realize | C．haven’t realized | D．hadn’t realized |
I ________ a topic for the composition, but haven’t decided yet.
| A．will think about | B．have been thinking about |
| C．had thought about | D．was thought about |
If I _______ that program the day before yesterday, my computer wouldn’t have broken down.
| A．didn’t run | B．haven’t run | C．hadn’t run | D．were not to run |
Mr. Brown ______ his office an hour ago and he is still on his way home.
| A．left | B．leaves | C．is leaving | D．was leaving |
It is the second time that he has won the race, _______ has surprised us all.
| A．which | B．where | C．what | D．that |