连词成句。1. know, I, don't (.)
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2. in, when, you, arrive, China, do(?)
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3. Mrs. Smith, please, to, talk (.)
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4. for, you, when, leave, Beijing, do(?)
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5. may, go, Canada, I, to (?)
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6. say, these, numbers, you, can, car (?)
____________________________________________________1. I don't know.
2. When do you arrive in China?
3. Talk to Mrs. Smith, please. / Please talk to Mrs. Smith.
4. When do you leave for Beijing?
5. May I go to Canada?
6. Can you say these car numbers?