--Where is my book?

--oh, someone _________ away by mistake.

[　　]

A. can take it

B. will take it

C. can have taken it

D. must have taken it

They seem to have known it. So they __________ at this time.

[　　]

A. needn't to be told

B. don't need to be told

C. don't need to tell

D. needn't tell

The tourists took photos of themselves ___________ in front of the ancient temple.

[　　]

A terrible roar __________ the house and they were __________.

[　　]

A. went on, frightening

B. went through, frightened

C. went down, frightened

D. went by, frightening

It didn't take long _________ the wooden house was __________ up by the fire.

[　　]

_________ I could sit down, he offered me a cup of tea.

[　　]

He lives in a flat, ________ he can see _________ is happening in the street.

[　　]

A. there, what

B. from the window of which, which

C. where, something

D. from whose window, all that

单项选择

I'm sorry for being late. I ________ the traffic jam.

[　　]

--Oh,my wallet? Maybe I left it in the car.

--My goodness! You ________ things behind!

[　　]

A. are always leaving

B. were not leaving

C. have left

D. haven't left

Charles is generally considered ________ the fist computer.

[　　]

A. to invent

B. inventing

C. to have invented

D. having invented