—Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
| A．had stayed | B．has stayed | C．stayed | D．stays |
Is this the reason _______ he was late for the meeting?
| A．why | B．when | C．where | D．what |
I have many friends, _______some are businessmen..
| A．of them | B．of which |
| C．of whom | D．of that |
There is something wrong with your bike and you’d better _______ it _______ and repair it.
| A．take; off | B．take; on |
| C．take; up | D．take; apart |
The boys were so angry that they went __________ something to eat.
| A．in favour of | B．in place of |
| C．in memory of | D．in search of |
There is no doubt _______he will come tomorrow, but I do doubt _____he will come on time.
| A．that; that | B．that; whether |
| C．whether; whether | D．whether; that |