Choose the correct answer.
He asked me when ________ come back.
A.would I
B.will I
C.I will
D.I would

He has (A) less (B) friends in his classes (C) now than he had (D) last year.
A.has
B.less
C.in his classes
D.had

First of all (A), he asked me how (B) old was (C) I and where I came from (D).
A.First of all
B.how
C.was
D.where I came from

A.passed
B.watched
C.played
D.washed

A.gather
B.prevent
C.control
D.provide

______ the Thi Vai River is awfully polluted, its water is not fit for fish to survive.
A.So that
B.Although
C.Since
D.If

I have seen him for several times lately but I don’t know exactly ______.
A.where does he work
B.where he work
C.where he works
D.where he working

He read this article on the website last night, ______?
A.doesn’t he
B.hasn’t he
C.did he
D.didn’t he

The teacher suggests ______ something for the poor in our area.
A.us to do
B.we should do
C.we are going
D.we will do

The professor ______ course we are taking next week is very famous.
A.whom
B.who
C.that
D.whose