His illness _____ his absence.
| A．showed | B．accounts for | C．explains | D．gives out |
—Would 13：00 be convenient?
—________， but I'll have to check my schedule for sure.
| A．It won't do | B．It should be fine |
| C．That's the deal | D．It's up to you |
—Tom often plays the record very loud at midnight in his apartment.
—________！
| A．Just your luck | B．Better not |
| C．It can't he helped | D．That's too much |
—Shall I help you with the math problem?
—________.
| A．If you wish | B．With pleasure |
| C．You're welcome | D．That's right |
—I hear you are to go to Tibet alone?
—________. It's my dream to go on an adventure there.
| A．You got it | B．I can't agree more |
| C．Come on | D．I'd like to |
—Would you like to read some news about the football game, Jane?
—________. I feel like doing something else.
| A．Not likely | B．No problem |
| C．Not really | D．Never mind |