新概念的,用适当的have结构来替代句子括号部分1.Speacial cages （have been made) to

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新概念的,
用适当的have结构来替代句子括号部分
1.Speacial cages （have been made) to protect the divers from these monsters
2.The oil companies (made arrangements for the rigs to be repaired) frequently
3.The divers (must )often work in total darkness
4.He (has published) a book
5.we (need to) protect fish stocks
6.we (have not sent) the letter to his new address
7.`I( will send )the package to you ` she promised
8.must you go so soon?
9.are you going to( clean) this suit
10.when will you (fix)this loose handle
11.L must take this car in for new brakes (to be fitted)
12.how long is it since you (needed) to see a doctor?
13.the doctor told me I (MUST ) get more exercise
是第二册的

是新概念第几册我学过新概念买本课课练上面都有,哪都有卖.

改写下列句子,用must或have to 来替代斜体印出的部分. 用have been to, have gone to, have been in/at 的适当形式填空 Have you ( )been to Tokyo?括号内填never的适当形式关于have been to和have gone to的句子, I'm sorry to have made you waiting是什么结构的句子请用must和have to来代替下列带括号的部分. to have been done结构怎么用有没有is said to have been doing的结构用适当的介词填空：I have made a list _______what we need to buy. Now they have had special cages made to protect them from th 新概念2的一个问题,lesson 23Exercises 练习E选择恰当的动词来替代用括号框出的部分,必要时刻有作改动1 一、用have been to / have been in / have gone to 的各种形式填空.