The scientists ________ on the new medicine for two years. They will succeed in no time.
A．workB．a(chǎn)re workingC．have workedD．will work
C

試題分析: 句意：科學(xué)家們已經(jīng)研制這個(gè)新藥兩年了，他們馬上就要成功了。 in no time馬上；根據(jù)for
two years兩年，可知時(shí)態(tài)為現(xiàn)在完成時(shí)，故選C.
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源：不詳 題型：單選題

- Have you finished writing your book?    - Yes. It _______ and _______ soon.
A．is printing; is coming outB．is being printed; will come out
C．is going to print, will be come outD．is printed; has come out

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

—Mike, where is Miss Li?
—She ______ a speech to the first-year students now.
A．givesB．gave C．is givingD．will give

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

—What _______ you do if you _______ 5 million yuan?
— I’d travel around the world.
A．will, will winB．would, won
C．would, winD．will; won

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

----- Did you go to Sam's weekend party?
　　   ----- No, I ______________.
A．a(chǎn)m not invitedB．wasn't invited
C．haven't invitedD．didn't invite

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

—Where is Jack?
—I noticed that he ________the teacher’s office just now.
A．went intoB．goes intoC．was going intoD．is going to

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

Yesterday I met Jim. We ____________ each other since we _________ middle school.
A．haven’t seen ; finishedB．haven’t seen; finishing
C．hadn’t seen; finishingD．hadn’t seen; finished

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

–Where is Mr. Smith?
--He isn’t here. He ______ to England.
A．has beenB．has goneC．wentD．goes

查看答案和解析>>

科目：初中英語 來源：不詳 題型：單選題

There ________ more workers in the factory next year
A. are going to be   B. is going to be C. are going to have

查看答案和解析>>

同步練習(xí)冊答案