The little girl was afraid of having her bad tooth pulled out. The dentist tried hard to put her _____________. 
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A
at last
B
at hand
C
at ease
D
at least
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The rain will ___the crops.
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A
benefit from
B
do good for
C
benefit
D
be good at
The guidelines are _______ in the second paragraph.
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A
heard out
B
set out
C
lived out
D
pointed out
--You’ve made great progress in your studies of English, haven’t you? --Yes, but much ______.
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A
remains to do  
B
is remained to do
C
remains to be done
D
is remained to be done