本单元基础知识同步讲解,并附有练习。
Section A
1. 【原句再现】
You are supposed to shake hands.
【要点点拨】
句中的be supposed 意思是“被期待、应该”,后面的动词要使用不定式。如:
He was supposed to finish his homework before supper, but he didn’t.
他应该在晚饭前完成作业,但他没做完。
They were supposed to be on time, but they weren’t.
他们应该准时的,但他们没有。
【小试身手】完成句子。
我应该是打扫所有的房间,还是只这一间?
__________ __________ __________ to clean all the rooms or just this one?