[单项选择]________, he can now only watch it on TV at home.
A. Obtaining not a ticket for the match
B. Not obtaining a ticket for the match
C. Not having obtained a ticket for the match
D. Not obtained a ticket for the match

[单项选择]________, he can now only watch it on TV at home.
A. Obtaining not a ticket for the match
B. Not obtaining a ticket for the match
C. Not having obtained a ticket for the match
D. Not obtained a ticket for the match

[填空题]

Now he goes to school on his new bike.
Now he （）his new bike to go to school.

[填空题]Miranda Hughes’ kids watch TV only about an hour a week because she has made rules against her kids doing that.

[单项选择]He promised he would come, but now he doesn’’t still______.
A. turn over
B. turn in
C. turn up
D. turn on

[单项选择]He （　） play basketball. But now he likes football very much.
A. use
B. used
C. uses to
D. used to

[简答题]When David is twice as old as he is now he will be four times as old as his daughter Jane will be in five years time. If in 1990, four years ago,he was four times as old as his daughter, in what year was she born

[单项选择]He was a very cute boy but now he seems to have no interest in anything.（　）
A. clever
B. honest
C. brave
D. dull

[填空题]Mr. Parsons thought now he was a successful person.

[填空题]David is getting to play well. Now he is better than the other fellow students.
David plays football ______ in his class.

[单项选择]A. He can’t afford to buy an air conditioner now. B. He’s not sure how much an air conditioner costs.
C. He will buy an air conditioner later this week. D. He got the money he has saved a long time burnt.

[填空题]
We can now watch electricity as it flows through even the tiniest circuits. By scanning the magnetic field generated as electric currents flow through objects, physicists have managed (46) . The technology will allow manufacturers to scan microchips for faults, as well as revealing microscopic defects in anything from aircraft to banknotes.
Gang Xiao and Ben Schrag at Brown University in Providence, Rhode Island, visualize the current by measuring subtle changes in the magnetic field of an object and (47)
Their sensor is adapted from an existing piece of teclmology that is used to measure large magnetic fields in computer hard drives. "We redesigned the magnetic sensor to make it capable of measuring very weak changes in magnetic fields," says Xiao.
The resulting device is capable of detecting a current as weak as 10 microamperes, even when the wire is buried deep wit