It'snecessary____us____wearsuitablecloth
题型:选择题
问题:
It's necessary ____ us ____ wear suitable clothes on every occasion. [ ]
A. for; to
B. for; for
C. to; to
D. to; for
It's necessary ____ us ____ wear suitable clothes on every occasion. [ ]
A. for; to
B. for; for
C. to; to
D. to; for