—Are these your English books?  —Yes, ________. 
#20074
A
they’re
B
they are
C
these are
D
they aren’t
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——I have looked for my lovely dog everywhere but I still can’t find it.——________.
#19957
A
Great
B
Good idea
C
I don’t think so
D
I’m sorry to hear that
—Your design is the best. We all like it.   —__________.
#19997
A
That’s right
B
Please don’t say so
C
Thank you
D
You’re welcome
—What do you think of your school?  —________.
#19998
A
Very well
B
Very beautiful
C
I think so
D
I don’t think so
—Thank you, Thomas.   —________.
#20071
A
I’m happy.
B
That sounds great.
C
You’re welcome
D
Have a good day.