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【单选题】
With her rich _________ in teaching, she is sure to improve the students' performance.A.
visit
B.
ticket
C.
experience
D.
tired
E.
exciting
F.
on foot
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【单选题】_______ you don't keep your promises, you will lose your friends.
A.
If
B.
After
C.
Whether
D.
Until
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【单选题】People pay ______as to the content of your speech.
A.
so much attention to your voice
B.
as much attention to your voice
C.
much attention to your voice
D.
attention to your voice much
【单选题】Keep your attention ________on your study and give up.
A.
focused
B.
focus
C.
focusing
D.
to be focusing
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