Waste paper shouldn't ______ everywhere.
题型:选择题
问题:
Waste paper shouldn't ______ everywhere. It's our duty to keep our classroom clean. [ ]
A. be thrown
B. throw
C. is thrown
D. are thrown
Waste paper shouldn't ______ everywhere. It's our duty to keep our classroom clean. [ ]
A. be thrown
B. throw
C. is thrown
D. are thrown