You look tired. How long ......... (you / work) on ...

[ Grammar ]

You look tired. How long ……… (you / work) on your AI project?

A. have you worked

B. have you been working

C. are you working

Select your answer:
A B C D E

Other quiz:

Grammar & Vocabulary › View

Jason: Did you _____ a good time last Saturday? Max: Yes, I ____!

A. have /didn’t

B. do/did

C. make/ did’t

D. have / did

Simple Past Tense › View

My sister ________ ___________ (not, clean) her room last week.

A. didn’t/clean

B. didn’t/cleaned

C. did/ cleaned

D. don’t/clean