一道关于情态动词的英语题: -Where is Mary? -She _ in her classroom.
一道关于情态动词的英语题: -Where is Mary? -She _ in her classroom. -Where is Mary? -She _ in her classroom. A. must be B. should be C. can be D. must have been 答案是A.我想知道B为什么不对.
1)此时must be表推测,且十分有把握。故选A。 2)should虽然有应该的意思,但不能用中文的思维“她应该在她教室”所以就想当然哋用should。should在英文中多用在应该干什么、应该怎么样 ---如:You should go now.你现在该走了。 You should have gone there.你本应该去那里的。...