单项选择题

The environmentalists said wild goats'______ on the vast grasslands was a good indication of the better environment.

A. escape
B. absence
C. attendance
D. appearance
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单项选择题
I don't ______ rock 'n' roll. It's much too noisy for my taste.
A. go after
B. go away with
C. go into
D. go in for
单项选择题
We all do more speaking ______, even when we have a break after class.
A. now and then
B. by and by
C. step by step
D. more or less
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