1.DACBA
2.BCABC DCAAB ADBDA
3.BCACD CBABA
4.DDBDC DDCDB
5. li Hua does not do her homework at time .
He has never seen the president before ,has he?
What does his mother do in a university
was the volleyball thrown on the playground?
The small baby stopped crying when he saw his mother.
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