punctuate造句

We have not yet learned to punctuate correctly.
我们尚未学会正确使用标点符号.

The pupils have not yet learned to punctuate correctly.
小学生尚未学会正确使用标点符号.

The children have not yet learned to punctuate correctly.
这些小学生尚未学会正确使用标点符号.

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