A serious study of physics is impossible _____ some knowledge of mathematics .
| A．against | B．before |
| C．beyond | D．without |
—— I will come to attend your lecture at 10：00 tomorrow.
—— I’m sorry, by then my lecture will have ended and I＿＿＿my guests in my office.
| A．is being met | B．will meet | C．will be meeting | D．will have met |
I don’t like the way ＿＿＿＿＿ you talk to your mother.
| A．／ | B．in that | C．which | D．of which |
We will have a meeting next week, but we don’t know ＿＿＿＿＿.
| A．who | B．where | C．as | D．which |
Be sure to be here early tomorrow, ＿＿＿＿＿?
| A．will you | B．aren’t you | C．can you | D．could you |
It’s a fine day. Let’s go swimming, ＿＿＿＿＿?
| A．won’t we | B．will you | C．don’t we | D．shall we |