Jack doesn’t smoke now, but he ______________ for almost twenty years.
| A．was smoking | B．smoked | C．has smoked | D．had smoked |
－He looks very hot and dry.
－So______if you had a temperature of 40℃.
| A．would you | B．will you | C．would have you been | D．do you |
. What a pity. Considering his ability and experience, he _________ better.
| A．need have done | B．must have done |
| C．can have done | D．might have done |
. —I’m sorry. I _________ at you the other day.
—Forget it. I was a bit out of control myself.
| A．shouldn’t shout | B．shouldn’t have shouted |
| C．mustn’t shout | D．mustn’t have shouted |
. You don’t have to know the name of the author to find a book. You _________ find the book by the title.
| A．must | B．need |
| C．can | D．would |
. It is usually warm in my hometown in March, but it _________ be rather cold sometimes.
| A．must | B．can |
| C．should | D．would |