单项选择题

On the ______, people were asked which kind of shampoo they preferred.

A．investigation
B．diagram
C．search
D．survey
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单项选择题
By the time they ______ enough money for a down payment on a house, prices ______considerably.
A．had saved; rose
B．saved; were risen
C．had saved; had risen
D．had saved; were rising
单项选择题
-Do you think we can ______ the package arriving tomorrow-I hope so. We ve been waiting for a long time.
A．add up
B．count on
C．fill out
D．get over
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