单项选择题

Mike lost his ______on the bike and fell off.

A．equation
B．equivalence
C．equilibrium
D．equality
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单项选择题
Now, let' s not______ the job. The work must be finished by tomorrow morning.
A．lie idle
B．lie low
C．lie down on
D．lie down
单项选择题
Jane tried to______ at the swinging rope, but failed.
A．cluster
B．clutch
C．collide
D．cling
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