1、-Have you finished your homework yet?-Not yet,I___to do it just a few minutes ago.A.get down B.set out C.set about D.set up（我感觉应该选C,可是答案给的B,为什么啊）2、A new technique ___out,the yields increased by20％.A.having

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1、-Have you finished your homework yet?-Not yet,I___to do it just a few minutes ago.A.get down B.set out C.set about D.set up（我感觉应该选C,可是答案给的B,为什么啊）2、A new technique ___out,the yields increased by20％.A.having
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1、-Have you finished your homework yet?-Not yet,I___to do it just a few minutes ago.A.get down B.set out C.set about D.set up（我感觉应该选C,可是答案给的B,为什么啊）2、A new technique ___out,the yields increased by20％.A.having
1、-Have you finished your homework yet?
-Not yet,I___to do it just a few minutes ago.
A.get down B.set out C.set about D.set up
（我感觉应该选C,可是答案给的B,为什么啊）
2、A new technique ___out,the yields increased by20％.
A.having working B.having been working
C.has worked D.had been worked
（答案给的B
3、____all the time is the key to____progress in English
A.Practice,making B.To practice,making
C.Practicing,make D.To practice,make
（答案给的B）

1、-Have you finished your homework yet?-Not yet,I___to do it just a few minutes ago.A.get down B.set out C.set about D.set up（我感觉应该选C,可是答案给的B,为什么啊）2、A new technique ___out,the yields increased by20％.A.having
首先,第一题中的B答案是set out.而set out to do something的意思是开始做某事.答案不得而知了吧.
第二题中的B答案,用的是现在进行完成时,说明这项新技术从开始到现在还在一直经行着,从后半句可以看到,这个领域已经提高了20%.
第三题中的B答案,第一个空填的是to形式,是因为不定式代表的是一个从句.可以把它写成这样：The key to making progress in English is to practice all the time.这样子看的话,会比较容易得多.而最后那个to是介词,介词后面加的是动名词,这个你应该知道的.

是Have you finished already?还是Have you already finished? have you finished doing是什么意思 Have you finished your homework? -Have you finished your composition? You have hardly finished it,have you? You have finished the work,_____ you? Have you ______ my knife?A.finished upB.finished offC.finished inD.finished with have you finished (read) the book yet Have you finished-----?already yet nearly have you finished doing有吗 he asked:have you finished your task. finished 用have you 什么 today造句 have you finished the lunch 翻译 Have you finished your maths work___?Yes.I___it a few minutes agoA already;have finished Byet;have finished Cyet;finished Djust now ;finished have you finished your homework yet?和 have you finished your homework?有什么区别? I won't lend you the book before I have finished it.为什么用have finished Have you finished your homework Yes,I __it in twenty minutes.选 A.have finished 还是 B.finished 为什么? 请问这句应该是have finished还是finished?The moment I （have） finished I’ll give you a call.