—Is there any possibility ______ you could pick me up at the airport ? 
—No problem
| A．when | B．that | C．whether | D．what |
---May I speak to your manager Mr.Willians at five o'clock tonight?"
---"I'm sorry, Mr.Williams _______ to a conference before then."
| A．will have gone | B．had gone | C．would have gone | D．has gone |
The teaching building of our school_____ for many times.
| A．has been added to | B．has added to |
| C．has been added up to | D．has added up to |
We saw a film yesterday afternoon , _____we had supper in a nearby restaurant.
| A．when | B．which | C．before it | D．after which |
There comes a time in every man's life_____.
| A．that he needs to think | B．when he has to think |
| C．therefore he has to work hard | D．then he will need it |
Although he knew little about the large amount of work done in the field, he succeeded_____ other more well-informed experiments failed.
| A．which | B．that | C．what | D．where |