The little girl was afraid of having her bad tooth pulled out. The dentist tried hard to put her _____________. 
#68438
A
at last
B
at hand
C
at ease
D
at least
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We want to encourage the students ________ the teaching.
#65474
A
to participate in
B
participate in
C
participating
D
participate to
She had a bad cold, but luckily began to _______ soon.
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A
recover
B
control
C
lose
D
reduce