------ Tom looks very happy. He_______ have passed the exam
------ I think so. It’s too easy after all.
| A．could | B．should | C．might | D．must |
This computer is of good quality. If it ___________ break down within the first year, we would repair it at our expense.
| A．would | B．could | C．should | D．might |
I was about to leave _____ the telephone rang.
| A．after | B．while | C．when | D．before |
Accustomed to _____ in the countryside, Mr. King found it hard to live in the city.
| A．live | B．living | C．having live | D．have lived |
--What are you going to do this weekend？
--I will go to visit my grandparents _____ I have time.
A. as far as B. as much as C. as long as D as many as
If it had not been for the help of my English teacher, I _____ such great progress.
| A．would not made | B．would have made |
| C．would made | D．would not have made |