问题
选择题
We often plant _______trees every year.
A．thousand
B．thousand of
C．thousands of
D．thousands
答案
答案：C
thousands of 表示成千上万的，为故定词组搭配，故选C，符合题意。
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We often plant _______trees every year.
A．thousand
B．thousand of
C．thousands of
D．thousands
答案：C
thousands of 表示成千上万的，为故定词组搭配，故选C，符合题意。