You must pick the sunflowers.(改为否定句)
You must pick the sunflowers.(改为否定句)
you must pick the flowers改为否定句
You must pick the flower(否定句)
pick the flowers改为否定句
you must wait for the green light .改为否定句
You must eat in the classroom 改为否定句
(you must cross the strees )怎么改为否定句
you must wait for the bus.(改为否定句) The teacher goes to the sh
You must listen to the teacher in the class.改为否定句
You should pick it up (否定句)
We must boil the water first.改为否定句
1.The man under the tree must be Mr Green.(改为否定句)