A. must have looked after B. would have to look after C. had to look after D. should have looked after
单项选择题The teacher suggested that they （） in the exercise at once.
A. had handed B. should have handed C. handed D. hand
单项选择题Mr. Smith feels greatly （） with his son’s performance in school as he is always the top of his class.
A. disturbed B. worried C. distressed D. satisfied
