2 . He always had his camera ready whenever he traveled, just       he saw something that would make a good picture.

A．in case

B．so that

C．for fear that

D．as if

3 . ___________________(一……就……) I heard the voice, I knew my father was coming. (根据汉语提示完成句子)

4 . ___________unsure of where she was, she hesitated and looked round.（根据汉语意思和提示词完成句子)
她仿佛不知身在何处，犹犹豫豫，向四周打量着。(as)

5 . —Some English idioms are difficult to understand.
—Exactly, ______ you know the meaning of each word.

A．if only

B．only if

C．as if

D．even if

6 . Kids, I hope you’ll remember the good old days____we spent together in junior high though it’s time to say goodbye.

A．who

B．what

C．which

D．whose

7 . — When did you go to bed last night?
— I didn’t go to bed     my father got home.

A．while

B．after

C．when

D．until

8 . —I went to see you at about ten this morning, but you were not in the office.
—Oh, that was probably _______ I was talking with the headmaster.

A．when

B．why

C．what

D．that

9 . He wouldn’t give up smoking__________ the doctor told him it was a matter of life and death.

A．except when

B．after

C．until

D．in case

10 . ______ regular exercise is very important, it is not a good idea to exercise too close to bedtime.

A．Although

B．As

C．Considering

D．Assuming