单项选择题

All _______ is a continuous supple of raw materials.

A．what is needed
B．thing needed
C．that is needed
D．is needed
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单项选择题
Mary hopes to be _______from hospital next week.
A．dismissed
B．discharged
C．expelled
D．resigned
单项选择题
A．getting overB．getting inC．getting backD．getting along
A．getting over
B．getting in
C．getting back
D．getting along
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