--- Is your father a teacher of English in No. l Middle School?
--- No. But he ______ English there for ten years.
| A．has taught | B．has been teaching | C．taught | D．had taught |
John lost his job last year, but it wasn't long ______ he found a new position in another company.
| A．after | B．while | C．as | D．before |
In most cases, customers can't help ______ to buy things they actually do not need.
| A．to persuade | B．being persuaded | C．persuading | D．to be persuaded |
What do you think of his suggestion ______ we organize a football club?
| A．which | B．whether | C．that | D．what |
_____ is it ____has made Tom _____ he is today ?
| A．What, that, that | B．That,what, that |
| C．That, that , what | D．What,that, what |
The students seemed ____ , so I repeated the ______ question.
| A．puzzled, puzzling, | B．puzzling puzzled, |
| C．puzzling puzzling | D．puzzled, puzzled |