5. But，but...you weren't supposed to come home until tomorrow!

▲ be supposed to 理应，应该

be supposed to do常用来表示"本应该(发生而实际上并未发生)"，有时也可使用be supposed to have done表示过去本应发生而实际未发生的事。be not supposed to意为"不应当"。

He is supposed to arrive before six o'clock.

We were supposed to arrive at six. But we're late.

你本应该按时完成家庭作业的。

（2011·高考辽宁卷）What are you doing out of bed,Tom?You're supposed to be asleep.

你起床干什么，汤姆？你应该在睡觉。

6. The money for dog food is gone,but Spot looks like he is starving. 用来买狗食的钱不见了，可是小斑点看上去饿坏了.

▲ starve vi. 挨饿；饿死 vt. 使挨饿 饥饿 n._______________

渴望做某事 ___________________ 急需某事物 ____________________

饿死 ________________ __________________ __________________

①They will either die from the cold or _______________. 他们要么将被冻死，要么将被饿死。

②Boxers sometimes _______________________for several days to control their weight.

拳击手有时为了控制体重而绝食数日。

▲ be gone: gone在句中作表语表示状态。gone形式上为过去分词，但它常被用作形容词，作表语或补足语，表示"离开了的；(时间)过去了；(物)不见了，用完了，消逝了"等意。我回来的时候我的车不见了。

are the days when teachers were not respected.

7. The room is in a mess,with pizza boxes on the floor and dirty dishes in the sink.

房间里一团糟，比萨饼盒子在地板上，脏盘子堆在洗碗池里。

［句法分析］with pizza boxes on the floor是with的复合结构，由"with+宾语+宾补"构成，在句中作伴随状语。

①. Shen Zhou Ⅶ was travelling in space,with three Chinese astronauts in it.

"神舟7号"载着三位中国宇航员在太空中遨游。

②. We continued our journey along a river with thick bushes on both banks.

我们沿着一条两岸都是茂密的灌木的河继续我们的旅行。

③. He is sleeping with the door open. 门开着，他正在睡觉。

④. With no hat on,he walked in the street. 他在街上走着，没有戴帽子。

⑤. With the work done,the teacher went home. 工作做完以后，老师回家了。

⑥. He lay on the grass,with his eyes looking to the sky. 他躺在草地上，眼睛看着天空。

⑦. With you to help us,we'll finish the work in time.如果你帮助我们，我们将及时完成工作。

归纳拓展：

▲with短语常见结构：