The student must be working very hard, ________?
#64521
A
doesn’t he
B
mustn’t he
C
needn’t he
D
isn’t he
推荐题目
_______is the population____the USA?
#60189
A
What, of
B
What, in
C
How many, in
D
How many , of
 Listen! His family must be quarrelling, ___________ ?
#64954
A
mustn’t it
B
isn’t it
C
aren’t they
D
needn’t they
I don’t think his daughter is able to mend a computer, ________?
#64924
A
does he
B
isn’t she
C
doesn’t he
D
is she
— Have you got any brothers or sisters? — ________.
#59762
A
Yes, I have
B
No, I haven’t
C
Yes, I have one
D
I have a brother and sister