根据对话内容,从方框内选择合适的句子补全对话.(有两项多余) | |
B:(1)_________ A:When was it invented? B:(2)_________ A:How did it work? B:(3)_________ They pushed the pedals (踏板) down hard with their feet.(4)_________ A:What was it made of? B:It was made of wood.(5)_________ A:Yes,I never saw such a machine before. |
1年前1个回答
1年前1个回答
1年前1个回答
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1年前1个回答
从方框中所给的选项中选择正确的句子补全以下对话。 (10分)
1年前1个回答
你能帮帮他们吗