--Must I clean the classroom now, Miss Wang?--No, you needn’t . It                by Bill. 
#41980
A
is cleaning
B
should be clean
C
was cleaned
D
has been cleaned
推荐题目
­—I think there ____more students in our school next term.—Well, I think so.
#41775
A
will be
B
is going to have
C
will have
D
are going to have
There   a strong wind in Shenyang tomorrow.
#40593
A
have
B
will
C
will be
D
will have.
—Do you know the girl_______ with our English teacher often?— Yes, her name is Helen.
#39360
A
whom to talk
B
who talks
C
who is talking
D
whom talks
Great changes _____ in my hometown since 1980. 
#38200
A
have been taken place
B
took place
C
have taken place
D
were taken place