Socialattentionshouldbepaid
来源:语文精选馆 1.4W
问题详情:
Social attention should be paid _______ our earth from _______.
A. to prevent; being polluted | B. to prevent; polluting |
C. to preventing; being polluted | D. to preventing; polluted |
【回答】
C
知识点:非谓语动词
题型:选择题