单项选择题

I don't understand why people ______ such a beautiful garden with cans and bottles.

A．located
B．provided
C．protected
D．littered
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单项选择题
The appeal for funds did not ______ much response.
A．drag
B．elicit
C．tempt
D．attract
单项选择题
I want to talk about all these points in ______ order of importance.
A．declining
B．descending
C．plunging
D．falling
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