-Why,Jack,you look so tired ! -Well,I ____ the house and I must finish the wo
题型：同步题难度：来源：
-Why,Jack,you look so tired !
-Well,I ____ the house and I must finish the work tomorrow. |
| [ ] |
A. was painting
B. will be painting
C. have painted
D. have been painting |
答案
| D |
举一反三
用所给动词的适当形式填空
1. He _____(learn) English for 8 years.
2.I"m so tired, I ____ ( drive) for eight hours without a rest.
3. You _____ ( do) the report since six o"clock. Let"s have a rest.
4. We ____ ( write) English for two hours.
5. Your mother ____(look) for you all the morning.
6. Helen _____ ( leave) her keys in the office,so she had to wait
until her husband _____( come) home.
7. I ____( hope) to meet Mr. Thompson this morning,but I found nobody left in the room.
8. We plan to reach the North Pole in mid-July,and by then we _____ ( walk) for six weeks.
9. By the time you arrive in New York,you will ____ ( away) for two weeks.
10. -Did you find the missing couple in the mountain yesterday?
-No,but we ____( try) to get in touch with them ever since. |
| Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company. |
A. worked
B. has been working
C. is working
D. works |
| In the past decades, sea ice ____ in the Arctic as a result of global warming. |
| [ ] |
A. had melted
B. has been melting
C. melted
D. is melting |
| Tom ________ in the library every night over the last three months． |
| [ ] |
A．works
B．worked
C．has been working
D．had been working |
| The development of China"s economy ________ since the 80s of last century. |
| [ ] |
A. has been accelerating
B. had accelerated
C.is accelerating
D. accelerated |
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