If we throw away too much waste and can’t keep good ecosystem,we _________ our future.

A.must have destroyed          B.could be destroying ?

C.may be destroying             D.must destroy ?

Shall we _______ our discussion and have some tea or coffee?

       A. break down                                          B. break off

C. break into                                      D. break out

 一When shall we restart our business?     一Not until we       our plan．

   A．will finish       B．are finishing

   C．are to finish      D．have finished

请根据字面提示与句意，用必修1Unit1-2中所学新词、短语或句型的适当形式补充句子。注意每空一词，并将答案填写在答题卷标号为61-85的相应位置上。
【小题1】The survey shows that the spread of the disease has caused growing public ________(担忧).
【小题2】It was warm enough to be ________(户外) all afternoon.
【小题3】The ship will start its first ________(航行) next Monday.
【小题4】In order to get this job done well, you have to speak ________(流利) in at least two African languages.
【小题5】By the age of two a child will have a ________(词汇量) of about two hundred words.
【小题6】Building of the new library should begin in the ________(较后) part of next year.
【小题7】His ________(口音) suggested that he was not a native here.
【小题8】Although they are twins, they look ________(完全) different.
【小题9】Both parents and ________(青少年) must try to bridge the generation gap between them
【小题10】She had changed so much that I didn't r________ her until she began to talk.
【小题11】I am not from Netherlands; a________, I am from Denmark.
【小题12】I'm afraid I can't help you at p________; I'm too busy.
【小题13】This autumn the BBC will be showing a s________ of French films.
【小题14】Union leaders and company bosses will meet tomorrow in an attempt to reach a ________(settle).
【小题15】Facial ________(express) are important in communication.
【小题16】他冷静下来后提出来的点子确实行得通。
The idea that he ________ ________ ________ when calmed down did work.
【小题17】朋友对我们很重要，但我们常把友情的存在看得过于理所当然。
Friends ________ ________ ________ ________ ________ our lives, though we may take the fact of friendship for granted.
【小题18】老师建议我们不要凭感觉，而是根据事实作出结论。
The teacher suggested that we ________ ________ our conclusions ________ facts rather than feelings.
【小题19】他想出名。他已经厌烦一直当无名小卒了。
He wanted to be famous -- he ________ ________ ________ being nobody.
【小题20】那是我第一次跟一个西班牙学生面对面说话，结果还不错。
It ________ the first time that I ________ ________ with a Spanish student face to face. It turned out that we got along quite well.
【小题21】I'm grateful that you helped me out.
= I'm grateful ________ ________ ________ ________ me out
【小题22】She was absent from school because she was ill.
=" She" was absent from school ________ ________ ________.
【小题23】We should ask the student to fully use the Internet resources.
=" We" should ask the student to _______ ________ ________ _______ the Internet resources.
【小题24】There are more than 3,000 students in our school.
=" ________" ________ _______ the students in our school _______ more than 3,000.
【小题25】I met Li Ming at the railway station yesterday. (对划线部分进行强调)
________ ________ ________ ________ I met Li Ming at the railway station.

We______our breakfast when an old man came to the door.

A.just have had             B.have just had             C.just had                     D.had just had