1 . ________for the timely investment from the general public, our company would not be so good as it is.

A．Had it not been	B．Were it not
C．Be it not	D．Should it not be

2 . （2017•江苏） _______ not for the support of the teachers, the student could not overcome her difficulty.

A．It were	B．Were it
C．It was	D．Was it

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

A．Will

B．Would

C．Should

D．Were

4 .        for the free tickets, I would not have gone to the films so often.

A．If it is not	B．Were it not
C．Had it not been	D．If it were to be

5 . There is a real possibility that these animals could be frightened, ________ a sudden loud noise.

A．being there

B．there being

C．should there be

D．there was

6 . ______ this afternoon, you would have to come again next week．

A．The boss didn't return	B．The boss were not to return
C．Were the boss not to return	D．Didn't the boss return

7 . _______ Tom, we wouldn’t have been late for the last bus.

A．If we didn’t wait for

B．If we haven’t waited for

C．we hadn’t waited for

D．Had we not waited for