After retirement, learning a musical instrument may be harder than ______ when you were a kid.
#69678
A
it may
B
it was
C
it does
D
it did
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Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.
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A
which
B
that
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who
D
whom
________ all over the hills and around the lake are wild flowers of different kinds.
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A
To grow
B
Growing
C
Grown
D
Grow
______the road ,don’t forget to look both ways.
#68474
A
As crossing
B
While you cross
C
While crossing
D
Cross
Jack wasn’t saying anything，but the teacher smiled at him ________he had done something very clever．
#68350
A
as if
B
in case
C
while
D
though