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:

Random Topics:
Modals Auxiliary Adjectives Ed and Ing Tenses and Pronouns Relative Clause Modal and Relative Phrases Comparative and Superlative Adverbs Conditional Type 1 Grammar and Punctuation Conditional Sentences

Other quiz:

Modals › View

Choose the correct sentence!

She don’ t have to iron the clothes.

A. She doesn’t have to iron the clothes

B. She hasn’t iron the clothes

Gerunds › View

He starts _____________________________.

A. learning English

B. playing soccer

C. cookig dinner