2 . Had it not been for their timely rescue, the old lady________(lose)her life. (所给词的适当形式填空)

4 . We would have won if we had trained harder.（句型转换）
___________ we __________ harder, we would have ___________.

5 . I couldn't have made great progress in English__________for your help.

A．had it not been

B．should it not be

C．did it not been

D．were it not

6 . He would be in better health now _______ with too much work when young.

A．had he not burdened himself	B．if he was not burdened
C．were he not burdened	D．had he not been burdened himself

7 . Had I made good use of this software, a huge amount of time and energy _________.

A．would have been saved	B．had been saved
C．will be saved	D．was saved

8 . He would be in a better university now________ to too many computer games when young.

A．were he not addicted	B．if he was not addicted
C．had he not addicted himself	D．had he not been addicted himself

9 . —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

10 . 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