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

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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:
Grammar › ViewThe salesman demonstrated how a push of the button would cause the aerial to____________ .
A. REBOUND
B. RETREAT
C. RECOIL
D. RETRACT
Grammar › View
Which of the following is a common noun?
A. Timmy
B. has
C. sore
D. foot
Palm ……………………. 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
