It is high time you (start)（）working.
举一反三
- It’s high time that you working. A: be started B: start C: starting D: started
- It’s high time that you working.
- It's high time that you ______ working. A: stopped B: had to stop C: shall stop D: stop
- It’s high time you ______. A: start to work B: would start to work C: started to work D: had started to work
- It is high time that we encouraged our students working harder.