I'm tired.I（）working very hard.
A: have
B: have been
C: had
A: have
B: have been
C: had
举一反三
- I'm tired. I（）working very hard. A: have B: am C: had D: have bee
- I've been working very hard, and now I'm ______. A: tired out B: tired up C: tired in D: tired off
- I'm tired out. I all afternoon and I don't seem to have finished anything. A: worked B: have worked C: had worked D: have been working
- I’m tired out. I ______ all afternoon and I don’t seem to have finished anything. A: shopped B: have shopped C: had shopped D: have been shopping
- I'm tired out. I ______ all afternoon and I don't seem to have finished anything. A: shopped B: B. have shopped C: had shopped D: D. have been shopping