After ________ time, Edison ________ lights and many other things, most of which are considered very important in history.
A./; discovered
B.a; discovered
C.a; invented
D./; invented
试卷相关题目
- 1Frank is the kind of person whom people like to ________.
A.make friend with
B.make friends of
C.make friends
D.make friends with
开始考试点击查看答案 - 2About ________of the workers in that factory ________young people.
A.two-thirds;is
B.second-thirds;are
C.two-thirds;are
D.two-third;are
开始考试点击查看答案 - 3I have been looking for you everywhere. This is the last place in the world I would have expected to find you. The speaker is saying that he_______.
A.least expects to find his friend there
B.knew that his friend must be there
C.believe that his friend had nowhere else to go
D.found that his friend last stayed there
开始考试点击查看答案 - 4Is this the secretary you want ________the article?
A.to have type
B.her to type
C.to have typed
D.her type
开始考试点击查看答案 - 5I ________ two eggs every morning.
A.am used to eat
B.used to eating
C.am used to eating
D.used to be eaten
开始考试点击查看答案 - 6Dressed in her best dress, she wanted to make herself ________ at the ball.
A.notice
B.to notice
C.noticing
D.noticed
开始考试点击查看答案 - 7She left him, ________ never ________ foot in that house again.
A.determined; to set
B.being determined; to put
C.determining: to set
D.determined: place
开始考试点击查看答案 - 8The ______ been handed out.Each student has got one.
A.paper has
B.piece of paper has
C.papers have
D.sheets of paper has
开始考试点击查看答案 - 9The missing boys were last heard ________ in the old house.
A.singing
B.to be singing
C.sing
D.to sing
开始考试点击查看答案 - 10Some people like smoking because one thing that will stop them ________bad is the ________nicotine.
A.feel;drug
B.feel;medicine
C.feeling;drug
D.feeling;medicine
开始考试点击查看答案