Must we find out the reason today? - No, you _____.
#70710
A
mustn’t
B
don’t have
C
don’t have to
D
needn’t to
推荐题目
Jim knows the way Australians speak, _____ he? 
#69108
A
don’t
B
does
C
doesn’t
D
isn’t
You went to the concert yesterday, ____ ?
#69462
A
do you
B
don’t you
C
did you
D
didn’t you
Betty had nothing to do last Sunday afternoon, ____________? 
#68816
A
hadn't she
B
had she
C
didn't she
D
did she
Twenty-eight and twelve      
#69937
A
are fourty
B
is forty
C
is fourty
D
are forty