跟卡卡逆袭高考英语:高考语法填空&短文改错常考的后接doing的句型1....have trouble/difficulty/a hard time/a difficult time (in) doing sth. 2.There is no need/ harm in doing sth 3.It's no use/ good doing sth 4.spend time/money (in) doing sth ;It's a waste of time/money doing sth