-What did you do ________ your last day off?-I took my dog _______ a walk. 
#70148
A
in; for
B
on; for
C
on; as
D
at; on
推荐题目
Everyone is in the classroom, _____? 
#69629
A
doesn’t he
B
isn’t he
C
are they
D
aren’t they
--Mary hasn’t paid for the school things, has she ?--______. Her mother will pay for her. 
#69061
A
Yes, she has
B
No, she hasn’t
C
Yes, she did
D
No, she didn’t
—        ?— S-U-E, Sue.
#70628
A
Do you know Sue
B
Can you spell your name
C
Is it your name
D
How do you spell your name
This math problem is too difficult. Can you show me________, George?
#70867
A
what to work out
B
to work it out
C
how to work it out
D
how to work out it