1 I'm tired. I___________for ten hours.
A: 've been working
B: 've worked
C: work
A: 've been working
B: 've worked
C: work
举一反三
- I've been working very hard, and now I'm ______. A: tired out B: tired up C: tired in D: tired off
- Now, I've got quite used to ______ in this computer company. A: work B: worked C: working D: to be working
- I am tired. I ______ all day. A: am working B: have been working C: worked D: have been worked
- —Jim, can you work this Sunday? —________? I’ve been working for two weeks on end.
- I’ve<br/>been on the ________ all day and I'm really tired. A: going B: goes C: go D: gone