| A．sleep | B．sleeping | C．slept |
| A．Let’s go and see pandas. | B．Let’s go and see monkeys. | C．Let’s climb the mountains. |
| A．I’m sorry. I won’t. | B．Let’s go. | C．That’s OK. |
| A．Don’t sleep in the bedroom. | B．Don’t eat in class. | C．Don’t sleep in class. |
should | can’t |
keep quiet | shout |
keep the classroom clean | fight |
listen to the teacher carefully | eat food |
read books | sleep |
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