—Have you ever ________ to the Great Wall? —Yes, I _______ there last autumn.
#41721
A
gone; went
B
gone; have been
C
been; went
D
been; have been
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We have done what ______.So don’t panic any more.
#38570
A
is doing
B
has done
C
is done
D
can be done
 --Does he _______a tennis ball? --No, he __________.
#38089
A
has; isn’t
B
has; doesn’t
C
have; isn’t
D
have; doesn’t