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The bell rang and came in Mr. Brown, _____ a book in his hand. Then the class began.

A. for  B. when C. with D. while

— _____ for the glass!

   —It’s OK. I’m wearing shoes.

   A. Look out  B. Walk out C. Go out   D. Set out

I don’t know why she suggested that we _____ the work before dark.

A. finishing B. finish   C. would finish D. to finish

It was not until mid-night _____ he went back home after the experiment.

A. when  B. /    C. that D. before

He won’t wear a hat _____.?

A. however cold it is      B. how cold it is?

C. however it is cold                 D. however cold is it

Have you adapted _____ in a different country?

A. to living B. to live  C. living   D. in living

Not only _____ a promise, but also _____ it.

A. did he make; he kept B. he made; he kept    

C. does he make; does he keep       D. he has made; has he kept

No sooner had I come to the office _____ the boss told me that I was fired.

A. when           B. after   C. than D. before

Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect.

   A. against        B. on                  C. beyond           D. above

In front of the house _____ with a history of 100 years.

A. does a tall stand    B. stands a tall tree    

C. a tall tree is standing   D. a tall tree stands