【题目】We ______ help our teacher ______ the floor. ( )
A.can; cleaning
B.must; cleaned
C.should; clean
【答案】C
【解析】
略
编辑:chaxungu时间:2026-04-28 11:46:06分类:小学英语题库
【题目】We ______ help our teacher ______ the floor. ( )
A.can; cleaning
B.must; cleaned
C.should; clean
【答案】C
【解析】
略