The wreckage of something like a jet plain discovered in the heart of the desert is believed ______ a UFO and _______down for reasons still mysterious.      

试卷相关题目

• 1____ the project as planned, we'll have to work two more hours a day.

  A.Completing

  B.Complete

  C.Completed

  D.To complete

  开始考试点击查看答案
• 2Jimmy needs to improve his technique if he _____ gold at 2012 Olympic.

  A.wins

  B.is winning

  C.will win

  D.is to win

  开始考试点击查看答案
• 3____ late in the afternoon, Bob turned off the alarm.

  A.To sleep

  B.Sleeping

  C.Sleep

  D.Having sleep

  开始考试点击查看答案
• 4_______the safety of gas, the government has checked the city's gas supply system thoroughly.

  A.To ensure

  B.Ensuring

  C.Having ensure

  D.D.To have ensured

  开始考试点击查看答案
• 5With a lot of problems ____, the manager had a hard time.   

  A.to settle

  B.settled

  C.having settledD settling

  开始考试点击查看答案
• 6Many environmentalists think that carbon dioxide is _______ for the global warming, which affects billions and billions of species across the globe.

  A.blamed

  B.to be blamed

  C.to blame

  D.blaming

  开始考试点击查看答案
• 7You can go and play games with your friends when you finish your homework. But remember ______ all the lights when you leave.   

  A.to switch off

  B.to switch on

  C.switching off

  D.switching on

  开始考试点击查看答案
• 8Which do you prefer ______ your weekends,playing computer games or watching TV?

  A.spending

  B.to spend

  C.being spent

  D.spend

  开始考试点击查看答案
• 9I've worked with children before, so I know what_____ in my new job.

  A.expected

  B.to expect

  C.to be expecting

  D.expects

  开始考试点击查看答案
• 10-Why is the girl crying so sadly？      -She is forbidden_________ in ______ her sick mother.       

  A.dropping ; on

  B.to drop ; on

  C.dropping ; at

  D.to drop; to

  开始考试点击查看答案