单项选择题

37（）

A．ensure
B．protect
C．undertake
D．promise

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单项选择题
36（）

A．designed by
B．defined as
C．designed as
D．defined by
单项选择题
I've made an ______ for you to see the doctor at 5'oclock.
A．interview
B．assignment
C．opportunity
D．appointment
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