题目内容

Ladies and gentlemen, please fasten your seat belts. The plane ______..
A．take offB．is taking off
C．has taken offD．took off
B

试题分析:句意：女士们先生们，请系好安全带。飞机马上要起飞了。Be doing 可以表示最近的将来，常用的动词有come ，go， leave，take off 等，根据句意可知用将来时态，选B。
练习册系列答案
相关题目
I don’t think math                 
A．easily to be learnedB．easily to learn
C．easy to be learningD．easy to learn
– I couldn’t help     her the news    she failed in the examination.
A．to tell; thatB．telling; whatC．to tell; whatD．telling; that
Since we ____ for almost two weeks, I’ll need to buy a large backpack in advance to carry my supplies of food and water.
A．have walkedB．will be walking
C．have been walkingD．walked
  In the last few years thousands of films ________all over the word.(2011·天津)
A．have producedB．have been produced
C．are producingD．are being produced
I found the lecture hard to follow because it _______ when I arrived.
A．startedB．was starting
C．would startD．had started
Remember to __________ a good state of mind even if you should fail plenty of times.
A．take up
B．brush up
C．get up
D．keep up

We still remember once        round the famous tower when we were young.
A．having takenB．to be taken
C．to have takenD．having been taken

Her father told her to be careful when _____ the street.  
A．he is crossingB．she is crossingC．crossedD．crossing

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网