1. that, How, you, do, do (?)
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2. do, should, What, then, you (?)
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1. do, home, you, How, go (?)
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2. go, You, plane, by, can (.)
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3. I, the, playing, like, violin (.)
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4. a, Is, writer, She (.)
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1. is, beautiful, a, this, envelope
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2. at, left, turn, traffic, the, lights 
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3. is, Where, post, the, office
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4. is, big, a, city, Beijing    
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5. an, is, envelope, What
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1. I, know, not, do, book, his
                                                                                                  
2. what, it, time, now, is  
                                                                                                  
3. family, wants, he, buy, for, gifts the, his, to 
                                                                                                  
4. quickly, and, men, walking, the, are, women, the
                                                                                                  
5. eat, like, you, some, to, would, apples.
                                                                                                  

1. have, a, look, May, I (?)
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2. like, a, Fly, bird (.)
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3. Act, a, mouse, like (.)
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4. have, I, bear, a (.)
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