1 . ______ ______ ______ ______(如果不是因为)sea animals, we would all starve. (根据汉语提示完成句子)

2 . Without your timely help, we _________(不可能按时完成) the task on time. （根据汉语意思填空）

3 . —But for your timely warning, we ________ into great trouble.
—Well, you know we’re friends.

A．would get

B．must have got

C．would have got

D．can’t have got

4 . The hurricane ruined my vacation early this morning, otherwise I _____in Hawaii sunbathing on the beach at the moment.

A．should have been	B．might have been
C．would be	D．am

5 . I was ill that day, otherwise I _____ the sports meet.

A．took part in	B．had taken part in
C．would taken part in	D．would have taken part in

6 . But for the help of my English teacher，I ________ the first prize in the 2015 English Writing Competition.

A．would not win	B．would not have won
C．would win	D．would have won

7 . —Thank you very much for giving me a hand when I was in trouble.
—Don’t mention it. I only did what anyone else _______ in my place.

A．must do

B．might do

C．would have done

D．can have done

8 . —Did you get a ticket then?
—Yes,otherwise I _________ the concert last night.

A．didn’t attend	B．wouldn’t attend
C．hadn’t attended	D．wouldn’t have attended

9 . It was lucky that little Jack was not at home when the fire broke out；otherwise，he his life．

A．had lost

B．would lose

C．would have lost

D．might lose

10 . —Did you go to the fashion show last week?
—I _____, but I was fully occupied the whole week.

A．must go	B．must have gone
C．would go	D．would have gone