（）and the lesson began.

单项选择题—How was the weather then —Hardly （）off the plane when it started to rain.

A. I had stepped
B. had I stepped
C. I stepped
D. did I step

单项选择题—I beg you to quit smoking. I can't really （）that smell. —I'm extremely sorry to hear that.

A. hold on to
B. put up with
C. break away from
D. get into

单项选择题He promised to write to me （）he reached office.

A. at that moment
B. for that moment
C. immediately
D. soon

单项选择题He knows so much about the story. He must have read the book,（）

A. mustn't he
B. hasn't he
C. doesn't he
D. didn't he

单项选择题Much to my surprise, I invited ten friends to the party, but （）came.

A. twice as many as
B. as many as twice
C. twice as many
D. twice more than