I don’t know_______________.
A.where can we buy the tickets
B.how much it costs to fly to Hainan
C.what is he waiting for
D.why was he late for school this morning
Peter stopped talking _______ the teacher came into the classroom.
A.until B.as soon as C.while D.as
—Could I ride an electric bicycle to school, Mr Wang?
—No, you ______. Students under the age of 16 aren't allowed to ride electric bicycles.
A.couldn't B.needn't C.can't D.shouldn't
—Jack, remember ______ off the lights when _______your bedroom.
----OK, I won’t forget, Mom.
A. turning; leaving B. to turn; leave C. turning; left D. to turn; leaving
一I think friends should be different each other.
一I agree with you. Then we can learn something ________ our friends.
A.to; from B.with ; as
C.as; with D.from; from
Dale came into the room so ________ that I didn’t notice him.
A.luckily B.clearly C.quietly D.easily
