6年级下册 Unit 4A卷: 课堂点拨题1. 有情态动词的肯定句,否定句,一般疑问句 和特殊疑问句(1) 肯定句:A good student must in class. A. listens to the teacher B. listening to the teacher C. listen to the teacher(2) 否定句:1【易错】What must you on the road? A.dont do B.do not C.not do 2You mustnt (cross) the road now. You must look for a zebra (cross). 3You must do your homework now. (改为否定)