The war made ______ impossible for the scientist to go on with his research.

试卷相关题目

• 1There was no doubt ____ it was in the supermarket _____ I lost my wallet yesterday.

  A.that, that

  B.whether, whether

  C.that, whether

  D.whether, that

  开始考试点击查看答案
• 2No matter how bright a talker you are, there are times when it's better ______ silent.

  A.remain

  B.be remaining

  C.to remain

  D.having remained

  开始考试点击查看答案
• 3-You look upset. -Yes, this is the first time I ________ form home.

  A.leave

  B.left

  C.have been away

  D.is away

  开始考试点击查看答案
• 4This is the first time we ________ a film in the cinema together as a family.

  A.see

  B.had seen

  C.saw

  D.have seen

  开始考试点击查看答案
• 5I like getting up early in the morning. You know the morning air is so good ________ .

  A.to be breathed

  B.to breathe

  C.breathing

  D.being breathed

  开始考试点击查看答案
• 6Good news! The price of all those second-hand goods is ________ before.

  A.30% as lower as

  B.30% lower than

  C.lower 30% than

  D.as 30% low as

  开始考试点击查看答案
• 7There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.

  A.point

  B.wonder

  C.use

  D.doubt

  开始考试点击查看答案
• 8There is no doubt _____ we will succeed if we try our best.

  A.which

  B.what

  C.whether

  D.that

  开始考试点击查看答案
• 9-- Tommy, your mum has been out without glasses! -- Well, take it easy. ________ she is back home for them.

  A.It is long before that

  B.It won't be long since

  C.It won't be long before

  D.It will be long before

  开始考试点击查看答案
• 10The more one is _______ the English-speaking environment, the better he or she will learn the language.

  A.exposed to

  B.filled in

  C.caught on

  D.kept up

  开始考试点击查看答案