1．　 在宾语中从句中的省略

例：The letter says (that) they are ready for it.

We hope (that) we can win.

例：Why not watch TV?

=Why don’t we watch TV?

2．在词组be able to，used to，be going to和情态动词ought to，have to，need等词后。

例：He never goes there by bus now but he used to (go there by bus).

I’ve not been to America but I am going to (be there ).

1．为了避免重复，再次出现时，在want，wish，hope，try，plan，like，love，hate后，往往只保留不定式符号to，而省略后面的动词。

例：A:Would you like to join us in the game?

B:I’d like/love to.

A:Did you go to Shanghai last month?

B:No,I planned to (go to Shanghai last month).

例：A:Would you like to do it with me?

B:Sure/Certainly/Of course.(I’d like to)

例：(Is there)Anything I can do for you?

His room is big and mine (is) small.省略系动词

A:Do you ofen go to see films?

B:No,I don’t (go to see films).

B:Never.省略了主语和谓语

例：(I am)Glad to see you .

(I’ll) See you later.

(I) Thank you for coming here.

(Do you) Want some more ?

(It) Sounds like a good idea.

(It) Doesn’t matter.

50. She thought _____ a great honour to be invited to speak to us.

A. that　　 B. this　　 C. it　　 D. it is

49. _____ of them promised to help me.

A. Every one　　 　 B. Everyone　　 　　　　　 C. Every　　 　　　　 D. Everybody

48. Listen to _____. There should be no error, no delay, and no waste.

A. that　　 　　　　　　 B. this　　 　　　　　　　　　 C. those　　 　　　　　 D. these