my mother spends two hours ___(do )the cleaningvery day
问题描述:
my mother spends two hours ___(do )the cleaning
very day
答
spend 时间/金钱 in doing sth(即动词时用动名词形式)
spend 时间/金钱 on sth(后跟名词时前面用on)
所以横线处填 doing