按要求完成下列各题。(12分)
（1）Are they laughing at you？(作肯定回答)
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（2）I feel angry.(变为一般疑问句)
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（3）I'm going to Canada．(就画线部分提问)
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（4）She has a headache.(变为否定句)
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（5）sick，Amy，feels(.)(连词成句)
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（6）Does Sarah feel sad？(作否定回答)
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（7）I have a new dress.(变为一般疑问句)
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（8）Does Mike have a cold？(变为肯定句)
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（9）Alice is a teacher.(就画线部分提问)
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（10）My brother is 19__years__old．(就画线部分提问)
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（11）Are you tired？(作肯定回答)
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（12）I like playing computer games.(变为一般疑问句)
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