—Is this your eraser? —______.
#59763
A
Yes,it isn’t
B
No,this isn’t
C
No,it isn’t
D
Yes,this is
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I don’t think you have made great mistakes, _______?
#64903
A
do you
B
don’t you
C
have you
D
haven’t you
It is the first time that Martin has been to the South Pole, ________?
#64905
A
isn’t he
B
hasn’t he
C
isn’t it
D
hasn’t it
—— ______ TV do you watch every day?——About two hours.
#60037
A
How much
B
How many
C
How long
D
How often
