John must have forgotten to return the magazine to the library yesterday, _________?
#65156
A
mustn’t he
B
hasn’t he
C
haven’t he
D
didn’t he
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It's the first time that he has been to Australia,________?
#64492
A
isn't he
B
hasn't he
C
isn't it
D
hasn't it
-_______ do you go to the English club?-Once a week.
#59941
A
How old
B
How often
C
How much
D
How many
—Will people live to be 300 years old?—_________. 
#59753
A
No, they aren’t
B
No, they won’t
C
Yes, they were
D
Yes, they do
.—What _____ this time tomorrow morning? —Er…, I’m not sure for the moment.
#64996
A
will you do
B
will you be doing
C
are you to do
D
are you going to do
Is it a good idea          English by using it?
#60146
A
learn
B
to learn
C
learning
D
learns