问题
Has Tom finished his task yet?—I’m not sureBut he _____ on it last week
A:was working
B:has been working
C:worked
D:had been working
B:has been working
C:worked
D:had been working
正确答案是：
同类题型
Last week Lily’s father bought her_________MP4 as_________birthdaypresent.
Mygrandmother died last month, I’m very sad about it.—____.
Tony was very unhappy forto the party.[ ]
The early train is ________ to leave at five in the morning.
The manager ________ the workers how to improve the program since 9 am.[ ]