—They
问题详情:
—They________finding a solution to prevent the oil from polluting the ocean environment.
—They'll make a difference.
A.set up B.set about
C.set out D.set off
【回答】
B
知识点:动词
题型:选择题
问题详情:
—They________finding a solution to prevent the oil from polluting the ocean environment.
—They'll make a difference.
A.set up B.set about
C.set out D.set off
【回答】
B
知识点:动词
题型:选择题