33．A cool rain was falling_________with snow causing heavy traffic．
A．mixed B mixing C．to mix D．having mixed
I arrived half an hour earlier ______ I had time to talk with him before the meeting.
| A．as soon as | B．as a result | C．in order to | D．so that |
He asked me ______.
| A．whether was I a football player |
| B．was I a football player |
| C．that whether I was a football player |
| D．whether I was a football player |
While ______ in Scotland, he made friends with the natives there.
| A．working | B．worked | C．he works | D．he is working |
I will never forget the classmates ______ I studied with.
| A．that | B．which | C．whose | D．whom |
You should not ______ your mistakes if you want to make greater progress.
| A．concern | B．organize | C．prefer | D．ignore |