题目内容
4. must,traffic,you,at, the,look,lights (.)
5. the,in, are,happily,the,tree,birds,singing (.)
4. You must look at the traffic lights. 5. The birds are singing happily in the tree.
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题目内容
4. must,traffic,you,at, the,look,lights (.)
5. the,in, are,happily,the,tree,birds,singing (.)
4. You must look at the traffic lights. 5. The birds are singing happily in the tree.