补全对话(5小题，每小题2分．共10分)
根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整．
并将答案写在答题卡相应位置。
A: Hi, Jim. I phoned you at 5 o'clock yesterday afternoon. But nobody answered.
                                                      ?
B: I was shopping with my mom at Dennis.
A: Oh, that' a good place for shopping. By the way,                              ?
B: No, we didn't. We just used the plastic bags offered by the shop.
A: Oh, no! You should take your own shopping bags.
B: You're right.                                                 .
A: Tomorrow, we will go to clean up the city parks,                              ?
B: Sure. Let's join together to save the environment.                                ?
A: Let's make it 8:00 in the morning at the school gate.
B: Ok, see you then.