| A．throw | B．textbook | C．there |
( )| A．Don’t pick flowers. | B．Don’t talk in class. |
| A．My mother is taking me to the library. | B．My mother is writing on the book. |
(draw on the wall) Don’t draw on the wall.
(play football on the road)
| A．must | B．mustn’t | C．can’t |
| A．to throw | B．throw | C．throwing |
B
C. 
D. 
Mr Sun is taking Mingming to the
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