问题描述：
对下列句子的划线部分提问.
1.I’m looking for my watch..（my画线）
2.He didn’t come to school because he was ill.（because he was ill.画线）
3.He has been to Shanghai three times.（three画线）
4.He will be back in two hours.（in two hours.画线）
5.The man in the office is Liu Tao’s uncle.（in the office画线）
1.I’m looking for my watch..（my画线）
2.He didn’t come to school because he was ill.（because he was ill.画线）
3.He has been to Shanghai three times.（three画线）
4.He will be back in two hours.（in two hours.画线）
5.The man in the office is Liu Tao’s uncle.（in the office画线）
问题解答：
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