He'll arrive Shanghai the afternoon of May the tenth． [ ] A．on, on B．in, in C．in, on D．at, in 题目和参考答案——青夏教育精英家教网—

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　　Helen woke up at midnight．“The afternoon tea is too strong…?”She thought with her eyes half-open．Suddenly, her eye was caught by the doors of the cupboard, they were open! Now, she was fully awake! She was so frightened that she felt herself sweating．“There must be a thief in my room! What can I do? I can't move now! Let me think!”She looked around and listened carefully, but there's no person and no sound．“He's hiding, maybe!”She kept thinking,“I must shout! Dad is in the next room．He'll arrive in the first minute．But what will the thief do when he hears my voice? Has he got a knife?”She felt herself sweating coldly．

　　“That's strange!”suddenly she got something, “My window is very small, even I can't go through．How can a man do so?!”She began to calm down．After a while, she found out the reason．She hadn't finished her maths homework in the school, there was one exercise left．But last night, after she had slept for ten minutes, she thought of it．Then, she jumped off her bed, opened the doors of the cupboard, took out the maths homework book and began to work on it．After some time, she finished．But she was too tired to put them back．She threw the books on the floor and fell asleep…

　　“Oh, how foolish I am!” Helen said to herself．And then, she slept again, with a smile on her face．

1．What did Helen drink that afternoon?

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2．Why was she“fully awake”when she saw the open doors of the cupboard?

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3．Which helper did Helen firstly think of?

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4．Why did Helen think that was impossible for a man to come into her room through the window?

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5．Why did Helen open the cupboard last night?

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He’ll send us a message as soon as he ________ in Sichuan.