______ I always felt I would pass the exam, I never thought I would get an
| A．While | B．Unless | C．If | D．Until |
I would rather________Professor Smith and I would rather you________for him at once.
| A．invite；sent | B．invited；send |
| C．inviting；sending | D．invite；sending |
I lost my key this morning，so I had no choice but________for my husband.
| A．wait | B．to wait | C．waiting | D．waited |
—Excuse me，can you spare me a few minutes?
—________？
| A．What's on | B．What's up |
| C．What is it | D．What's more |
It's going to rain.Tom，will you please help me________the clothes on the line?
| A．get off | B．get back | C．get in | D．get on |
I've become good friends with several of the students in my school________I met in the English speech contest last year.
| A．who | B．where | C．when | D．which |