下列各组句子中，不含通假字的一组是（      ）

Does Helen speak English ____— Yes. Her English is very ____.

There’s _____ with your son’s ears. So don’t worry about him.

My grandfather keeps healthy by ______ for half an hour every morning.

Time goes by so fast . We must never miss the chanceto show love for our parents and make them _____ how much they mean to us .