they____(exercise)at the moment.填are exercising对不对
问题描述:
they____(exercise)at the moment.填are exercising对不对
答
at the moment用于现在进行时.可以.如果要换的话把at the moment改成now也可以
they____(exercise)at the moment.填are exercising对不对
at the moment用于现在进行时.可以.如果要换的话把at the moment改成now也可以