---- Have you ________ Tim to go with us'?
---- No. He wants to but he ________ care for his sister because his parents are busy.

A．regretted; should	B．persuaded; has to
C．contacted, likes to	D．introduced; needs to

科目 英语   题型 单选题   难度 中等

知识点： 情态动词的被动语态