Do you know what were the（）books in America last year?

单项选择题Who, in your（）,is the best football player in the world today?

A.thought
B.idea
C.opinion
D.views

单项选择题（）I understand what you say, I can't agree with you

A.While
B.When
C.As
D.If

单项选择题Which of the following is not correct? （）

A.It is useless to complain.
B.It is useless complaining.
C.Complaining is useless.
D.It is useless of complaining.

单项选择题He seemed to be unaware（）the trouble he was causing.

A.for
B.on
C.of
D.about

单项选择题I can't see（）between these two books

A.a many difference
B.much difference
C.many difference
D.much a difference

单项选择题Letters, maps and pictures are（）

A.essays
B.files
C.documents
D.records

单项选择题No one knows who will call（）to solve the problem.

A.tune
B.tunes
C.the tune
D.a tune

单项选择题He was late（）the traffic jam.

A.as result
B.as a result of
C.as the result of
D.a result of

单项选择题There have been（）medicine in the last 50 years.

A.great advancesin
B.a great advancein
C.great advanceon
D.a great advanceon

单项选择题Would you mind（）us how old you are?

A.tell
B.to tell
C.telling
D.to telling