[ Tenses ]
We ____ (study) for the biology exam all afternoon, and now my brain feels fried!
A. study
B. have been studying
C. are studying

Random Topics:
Prepositions and AdverbsAction vs Linking Verbs/ Verb PhrasesConjunctions in Complex SentencesPresent Perfect - Just, Already, YetPresent Simple Tense PassiveModals: Possibility, Necessity, ExpectationAuxiliary VerbsVerb Tenses (Progressive, Perfect)Intensifiers: Really vs VeryFinite and Non-Finite VerbOther quiz:
Simple Past Tense › ViewHow long did you stay there?
A. I stay there two weeks.
B. I stayed there two weeks.
C. I staied there two weeks.
Grammar › View
The _____ of the preposition is the noun or pronoun that follows the preposition.
A. goal
B. object
C. point
D. subject
Grammar › ViewPalm ……………………. to lose weight now. (try)
A. is trying
B. was trying
C. will be trying
Vocabulary › View
A student who is also learning a trade or skill in the workplace.
A. apprentice
B. tourist
C. entrepreneur
D. intern
