He hasn"t come yet. Maybe he has____ the bus. [ ]A．lost B．missed C．

题型：同步题难度：来源：

He hasn"t come yet. Maybe he has____ the bus.    [     ]
A．lost
B．missed
C．failed
D．go

答案

举一反三

In the past few years there         _ great changes in my hometown.     [     ]
A. have been
B. were
C. had been
D. are

题型：同步题难度：| 查看答案

In the past fourteen days, I_____ a lot about our country.    [     ]
A．learned
B．will learn
C．have learned
D．learn

题型：同步题难度：| 查看答案

用所给动词的正确形式填空
1. Be careful! the baby                      (sleep).
2. Our physics teacher said light           (travel) faster than sound.
3. Mary           (go) to the zoo once a month.
4. Jim                      (live) here for ten years.
5. There                    (be)a football match next week.
6. By the time we got to the station the train                  ( leave) .
7. What        you           (do) at this time yesterday?
8. I            already        ( finish) my homework, so I can play now.
9. No one knows what                     (happen) in one hundred years.
10. Many man-made satellites                                  . (send)  up into space so far.

题型：同步题难度：| 查看答案

—How nice your bike is! How long ____ you           it ？
—For two weeks.[     ]
A. have; bought
B. have; had
C. did; buy

题型：同步题难度：| 查看答案

—Can you give me some information about Paris?
—Sorry, I ____ to Paris, So I know nothing about it.    [     ]
A. don"t travel
B. won"t travel
C. haven"t traveled
D. hadn"t traveled

题型：同步题难度：| 查看答案