At the age of six, my son _____ ask me a lot of strange questions, and some of them were too hard to answer．
| A．would | B．should | C．must | D．might |
The problem of air pollution is becoming more serious ______ the increasing number of cars.
| A．as for | B．because | C．as a result | D．as a result of |
-- Tom, why didn’t you go to the flower show?
--I think it’s something ______ pleasant.
| A．far less | B．far more | C．too much | D．much too |
Henry works as a teacher now, but he ______ on a farm for three years.
| A．has worked | B．had worked |
| C．had been working | D．worked |
The bookstore has sold _______children’s books as they did last year.
| A．twice as much | B．twice as many |
| C．as twice many | D．as twice much |
_____it is to have an exciting football game in the afternoon after school!
| A．What a great fun | B．How fun | C．funny | D．What fun |