1 . _______the strong winds continue, part of the highway would still be temporarily closed.

A．Could

B．Would

C．Should

D．Might

2 . ______ the rain yesterday，we _____ such fresh air now．

A．Were it not for; couldn’t enjoy

B．Had it not been for; couldn’t enjoy

C．But for; can’t have enjoyed

D．Without; couldn’t have enjoyed

3 . —Would you ___ him how to deal with it, had it been possible?
—Yes, but I ____too tired, or I _____ him a hand.

A．tell; was; would

B．have told; was; would have given

C．have told; was; would give

D．have told; were; would have given

4 . _______ the new paints and the new technique, we would not be able to see the many great masterpieces for which this period is famous.

A．Were it not	B．Had it not been for
C．Were there not for	D．Were there not

5 . —What do you think of a house supplied by Lovell?
—         you buy a home from Lovell，the company promises to buy it back at the same price after three years.

A．Should	B．Must
C．Could	D．Would

6 . ______ a little earlier, you could have got a copy of his latest book.

A．If you would arrive	B．If you arrived
C．Should you arrive	D．Had you arrived

7 . ________the problem, he wouldn't have committed those mistakes.

A．If he understood

B．Had he understood

C．When he had understood

D．If he would understood

8 . —It’s a pity that Andrew didn’t want to go to the conference.
—________ willing to go, we could have paid all his expenses.

A．Had he been	B．Being
C．Was he	D．He had been

9 . What would have happened ________，as far as up to the river bank.

A．Bob had walked farther

B．if Bob should walk farther

C．had Bob walked farther

D．if Bob walked farther

10 .        it rain tomorrow, we would have to call off the hike.

A．Will

B．Would

C．Should

D．Were