They are going to stay in London (for two weeks) 对括号部分提问
问题描述：
They are going to stay in London (for two weeks) 对括号部分提问
答
how long are they going to stay i n London
答
不会呀！ 5
答
How long are the students going to stay in the gym? The student are going to stay in the gym(for two hours)对括号里提问 How long are
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How long are they going to stay in London?
这里问的是“他们将在伦敦呆多久"，因此可以用How long来提问。
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How long are they going to stay in London?
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How long are they gonna stay in London?
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How long are they going to stay in London
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WHAT TIME DOES THEY STAY