填空题

All the trees (plant) ______ last summer.

【参考答案】

were planted
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填空题
When did Washington become the first president of the U.S.A.He became the first president of the U.S.A. ______ .
单项选择题
A．Wonderful.B．Violent.C．Horrible.D．Common.
A．Wonderful.
B．Violent.
C．Horrible.
D．Common.
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