1 . ________the message in advance, he wouldn’t have been late for the meeting.

A．Had he received	B．Has he received
C．Did he receive	D．Would he receive

3 . The bus would not have run into the river ________ for the bad tempered lady.

A．if it were not	B．had it not been
C．if it would not be	D．should it not be

4 . ______ for the fire at Notre Dame de Paris, a church famous for its large collection of art treasures, I would be there for a visit this summer vacation.

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

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

A．being there	B．should there be
C．there was	D．there having been

6 . —What a pity! You missed my birthday party.
—Terribly sorry!___________my uncle not visited me unexpectedly.

A．Should	B．Would
C．Had	D．Did

7 . ________, the damage would be incalculable.

A．Should such a disaster occur	B．If such a disaster had occurred
C．Had such a disaster occurred	D．If such a disaster should be occurred

8 . We would celebrate the victory together _________ we win the game tomorrow.

A．would

B．should

C．shall

D．will

9 . I’m sorry. ________ for my illness, I would have come and lent you a helping hand.

A．Were it not

B．If it were not

C．Had it not been

D．If has not been

10 . （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