| A．Don’t cross the street. | B．We can go now. |
| A．The light is yellow. | B．The light is green. |
It is a lovely sunny day. Lily and her family are going to the park. There are many people on the street. Lily asks her dad. “Why do we stop?” Her dad answers, “Because (因为) the traffic light is red.” They wait for a minute. The light is green now. “Can we go now?” asks Lily. “Of course.” answers her dad. “You must be careful when you cross the street.”
1．Today is Sunday.| A．Please be careful! | B．I can cross the street. | C．I can help you. |
| A．We can turn right now. | B．Stand up. | C．Please stop and wait. |
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