[ 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:
Pronoun vs. PronounsFuture Continuous Tense Interrogative Pronoun Past and Present Continuous tenseEs and SPast Simple, Past Continuous, Past PerfectPhrase vs ClauseClauses and ConjunctionConditional Sentence Type 2 and Type 3
Other quiz:
Modal Auxiliary › ViewYou _____ be rude to people.
A. Shouldn’t
B. Should
C. Must
D. Can
Prepositions › View
Speaking English _____ a native English speaker makes you more interested in learning English.
A. up
B. for
C. on
D. with
How to use : Read the question carefully, then select one of the answers button.