Only through a lot of practice           such skills and experience. 
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A
you can gain
B
can you gain
C
you gain
D
gain you
推荐题目
Luckily, the people there did ______ help him. 
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A
that they could
B
which they could to
C
what they could
D
what they could to
Barry must have visited the Eiffel Tower before,________he?
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A
mustn’t
B
hadn’t
C
hasn’t
D
needn’t
------What do you think made Mary so upset?-------- _________her new bicycle.
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A
As she lost
B
Lost
C
Losing
D
Because of losing
Only when the war was over ______ to his hometown.
#83865
A
did the young soldier return
B
the young soldier returned
C
returned the young soldier
D
the young soldier did return