连词成句。1. is, the, difficult, most, English, class (.)
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2. think, so, he, doesn't (.)
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3.about, what, this, book, science (?)
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4.to, read, it, is,difficult, more(.)
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5. I, think, than, more,interesting, P. E. is, Chinese (.)
_________________________________________________1. English class is the most difficult.
2. He doesn't think so.
3. What about this science book?
4. It is more difficult to read.
5. I think P.E.(Chinese) is more interesting than Chinese (P. E.).