__________ that these creatures are linked to a common ancestor.

试卷相关题目

• 1Use your head, _______you'll work out the problem.

  A.or

  B.so

  C.and

  D.for

  开始考试点击查看答案
• 2-- How long do you think it will be ______ the bus arrives here? -- No more than five minutes.

  A.when

  B.before

  C.since

  D.after

  开始考试点击查看答案
• 3----Who are you going to have ________ this letter for you? ----My secretary.

  A.type

  B.typed

  C.been typed

  D.been typing

  开始考试点击查看答案
• 4_______ your score and see how many points you get.

  A.Add to

  B.Add up

  C.Add up to

  D.Added to

  开始考试点击查看答案
• 5The mother along with her children _______  in the supermarket when the explosion happened.

  A.was shopping

  B.were shopping

  C.have been shopping

  D.had shopped

  开始考试点击查看答案
• 6I used to go camping a lot, so it isn't the first time I ________ in a tent.

  A.have slept

  B.had slept

  C.was sleeping

  D.slept

  开始考试点击查看答案
• 7It was the first time that little Tony ________ a speech in front of so many people.

  A.had made

  B.made

  C.has made

  D.makes

  开始考试点击查看答案
• 8This problem is said _____ three times.

  A.having discussed

  B.to have been discussed

  C.having been discussed

  D.to have discussed

  开始考试点击查看答案
• 9I had no one _______ me, for I could deal with it all by myself.

  A.to help

  B.help

  C.helped

  D.helping

  开始考试点击查看答案
• 10Rather than ________ on a crowded bus , he always prefers ________ a bicycle.

  A.Riding;ride

  B.ride;ride

  C.ride; to ride

  D.to ride; riding

  开始考试点击查看答案