将are they playing football now?改为一般现在是
问题描述：
将are they playing football now?改为一般现在是
答
they are playing football now!。现在进行时。
they often play football。一般现在时。
do they often play football? 一般现在时疑问语气。
答
they often play football at school
答
Do they play football?
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