I really don’t know ______________.
#70234
A
where to travel to
B
how to solve
C
what to do it
D
who to talk to
推荐题目
 They have to set out for the last train at once, ________?
#68550
A
don’t they
B
do they
C
haven’t they
D
have they
It’s nice _____ you to ______ so much time showing me around your school.
#70461
A
for, take
B
for, spend
C
of, spend
D
of, cost
________ a lot of trees in this area, but now we can see a tall building instead.
#70803
A
There used to have
B
There used to be
C
There is used to having
D
There is used to being
You used to be quiet, ________ you? 
#69471
A
used
B
did
C
didn’t
D
aren’t