We must do something to stop people from ______.A.to throw litter about B.to throw litter into C.thr

题目简介

We must do something to stop people from ______.A.to throw litter about B.to throw litter into C.thr

题目详情


We must do something to stop people from ______.
A.to throw litter about B.to throw litter into
C.throwing litter about D.throwing litter into
题型:单选题难度:偏易来源:不详

答案

C

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