[ Present Perfect Tense ]
They are studying grammar right now
A. They has studied grammar
B. They have studied grammar
C. They have studied grammar right now

Random Topics:
Grammar, Literature, and VocabularySuffixes and TensesComparatives and Past Perfect TenseGerunds and ModalsTypes of Sentence StructureAdverbs of Degreea, an, the, zero articleMixed TensesCoordinating ConjunctionTenses, Tag Questions, Phrasal VerbsOther quiz:
Present Simple Tense › ViewSimouy and Channa________ (no, work) on Monday.
A. doesn’t work
B. doesn’t works
C. don’t work
D. don’t works
Tenses › View
____ you in your boy’s house now?
A. haven’t
B. aren’t
C. weren’t
D. wasn’t
Vocabullary Test › ViewSound symbolism means that we often _____ the meaning of a word from its sound.
A. guess
B. judge
C. imagine
D. expect
Past Tenses › View
I __________ (work) for the company for five years before I got promoted.
A. had workd
B. had been working
C. was working
D. worked
