“Hey, look where you are going！” “Oh, I’m terribly sorry. _____.”

    A. I’m not noticing       B. I wasn’t noticing

    C. I haven’t noticed      D. I don’t notice

. —John has put forward _______ most challenging question for us to answer.

—Yes, it really is. I have never heard _______ harder one.

A. the; 不填   B. 不填; the

C. the; the      D. a; a

I once watched _______ one-act play, which was played by _______ 11-year-old boy.

A. a, aB. an, an

C. a, anD. an, a

“Do you want to go to the movie, Jane？” “______. I feel like doing something different.”

    A. Don’t mention it              B. I don’t want it

    C. I don’t think so              D. Not really

_______ reading the letter, what has he done?

A. Because of B. Except

C. Besides      D. But for

They knew nothing about ______ he was a thief.

A. that    B. which

C. what   D. the fact that

Will you see to _______ that my children are taken good care of while I am away?

A. it B. me

C. yourself    D. them

Do you know _______ friends are coming to our party?

A. whose else’s      B. who’s else

C. whose else  D. who else’s

 He is a hard-working student, _____ who will be successful in whatever career he chooses.

A. that    B. he

C. one     D. which

There are four bedrooms, ______ with its own bathroom.

A. all      B. each

C. every  D. either