look!There are many students_____the slide.选项A.in B.up C.on D.to
问题描述:
look!There are many students_____the slide.选项A.in B.up C.on D.to
答
c,____on_the slide是固定词组
答
选C,on the slide:在滑梯上
答
C.on
答
C
答
c