the students are busy ()their homeworkA.in B.on C.for D.withI“m busy ()my homework A.do B.to do C.does D.doingHe has lunch at () 11点o”clock A.on B.about C.to D.for
问题描述:
the students are busy ()their homework
A.in B.on C.for D.with
I“m busy ()my homework A.do B.to do C.does D.doing
He has lunch at () 11点o”clock A.on B.about C.to D.for
答
第一个是D 第二个是B.望采纳
答
D.with
D.doing
B.about