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
—_____will your sister be back ?—In about two hours.
#59910
A
How
B
How often
C
How long
D
How soon
_______her boyfriend is?
#64871
A
What do you think
B
Do you think what
C
What you think
D
What you think
- Didn't the robot have a rest?-_______. Because it never gets tired.
#59746
A
No, it did
B
Yes, it did
C
No, it didn't
D
Yes, it didn't