We have been working on this project for three weeks.
A. Present Perfect Simple
B. Past Perfect Simple
C. Future Perfect Simple
D. Present Perfect Continuous
E. Past Perfect Continuous

Random Topics:
Simple Present TenseVerbs and Possessive AdjectiveArticles and DemonstrativesPresent TenseNoun, Quantifiers and SuffixesPrepositions and ConjunctionsPast Continuous Tense & Past ModalsSentencesPrepositions and Adverbs“Put” Phrasal VerbOther quiz:
Basic Grammar › ViewWe have ___ aunt and ____ uncle.
A. We have an aunt and an uncle.
B. We have a aunt and a uncle.
C. We have aunt and uncle.
Grammar › View
My parents keep telling me to go to bed earlier.Â
A. My parents would always tell me to go to bed earlier.Â
B. My parents are always telling me to go to bed earlier.Â
General Knowledge › ViewMineral that enables blood to carry oxygen.
A. Calcium
B. Potassium
C. Iron
D. Magnesium
Past Tenses › View
She _______ (studied/had studied) for two hours before she _______ (watched/had watched) her favorite show.
A. studied/had watched
B. had studied/watched
C. Studies/had watched
D. Studied/watched
