--_______students are there in your class,Mr Li?  --Fifty.
#60148
A
How old
B
How much
C
How many
D
what
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We'd better get up earlier than usual if we want to catch the train, ______?
#65371
A
didn't we
B
hadn't we
C
wouldn't we
D
don't we
------Did Eric go swimming yesterday? ------_________. He went to the movies with Mark. 
#59926
A
Yes, he did .
B
Yes, he does.
C
No, he didn’t.
D
No, he doesn’t .
 – Did you see any cows ?  – ___________. 
#59775
A
Yes, I did
B
Yes, I do
C
No, I don’t.
D
No, I’m not.
She thinks the naughty students have escaped being punished by their teacher, __________?
#64562
A
does she
B
doesn’t she
C
have they
D
haven’t they
----I think the teacher is wrong, _____?----No, I don't think so 
#65374
A
don't you
B
don't I 
C
doesn't he
D
doesn't she