There is not much time left for you to cover everything,you.d better
unimportant
points.
A.leave off
B. focus on
C.leave out
D.concentrate on
出自:专升本英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
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