they often think they _____(allow) to practice their hobbies as much as they want.肿么回答 为啥?
问题描述：
they often think they _____(allow) to practice their hobbies as much as they want.肿么回答 为啥?
答
are allowed
因为“他们”与“允许”之间是被动关系,是“他们被允许”
而且是现在被允许,所以用are allowed但是答案上说是should be allowed为什么