问题描述：
1.Just a minute.Tom.Is this the report you need to hand in today?--Oh,yes.Mum.I thought I had put（）in my schoolbag.Thank you.
a.something b.nothing c.everthing
2.I'm just （w ）how to improve my English.首字母填空.想问一下worried可不可以
3.Success will belong to those （）never say “impossible”.
a.whom b.who 能否告诉我whom与who的用法及区别,
越详细越好,
a.something b.nothing c.everthing
2.I'm just （w ）how to improve my English.首字母填空.想问一下worried可不可以
3.Success will belong to those （）never say “impossible”.
a.whom b.who 能否告诉我whom与who的用法及区别,
越详细越好,
问题解答：
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