用所给词的适当形式填空。(5分)
Mr. Li ________ (make) maths so easy when he was a teacher.
The supermarket is too ________ (crowd),  and I don’t enjoy it.
Does your sister enjoy ________ (do) homework with you?
The Greens ________ (go)to South Africa to watch soccer games last year.
The relaxing music made the patient(病人) ________ (feel) better.