Ⅰ.把下面句子改为被动句
1．His mother told him not to waste time on fishing.
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2．Father gave me a toy at Christmas.
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3．This factory produces machine tools.
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4．They should do it at once.
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5．He is likely to let you down.
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6．They named the child Tom.
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【答案】
1．He was told not to waste time on fishing (by his mother)．
2．I was given a toy at Christmas (by my father)．
3．Machine tools are produced in this factory.
4．It should be done at once (by them)．
5．You are likely to be let down (by him)．
6．The child was named Tom (by them)．
