---What _______ you ________ ? ---I’m doing my homework.
#60216
A
do; do
B
are; do
C
are; doing
D
can; do
推荐题目
You must have missed the first train yesterday, ________ you?
#64550
A
weren’t
B
didn’t
C
mustn’t
D
haven’t
The student must be working very hard, ________?
#64521
A
doesn’t he
B
mustn’t he
C
needn’t he
D
isn’t he
What _____ he usually ______ after class?
#59913
A
is, doing
B
does, does
C
do, does
D
does, do
It’s the first time that he has been to Australia, _______  ? 
#65510
A
isn’t he
B
hasn’t he
C
isn’t it
D
hasn’t it