Which of the following is wrong?A.Factories mustn't let out dirty water into rivers,must they?B.The weatherman said that it may rain this afternoon.C.You mustn't litter the floor.D.You needn't water the flowers now
问题描述：
Which of the following is wrong?
A.Factories mustn't let out dirty water into rivers,must they?
B.The weatherman said that it may rain this afternoon.
C.You mustn't litter the floor.
D.You needn't water the flowers now
答
答案是D 正确的应该是：You don't need to water the flowers now