[ Tenses ]
They are studying hard.
A. Present Continuous
B. Present Perfect
C. Present Simple

Random Topics:
Past SimpleVerb FormConditional Sentences Type I, IIPlaces in TownGrammar (either..or.. and neither..nor..)So / Neither / Either / TooAuxiliary Verbs & Question TagsVerbs and Possessive AdjectiveArticles and PrepositionsVerb PhrasesOther quiz:
State Verbs and Action Verbs › ViewKevin is tired after the long flight. He …on the sofa.
A. sleep
B. sleeps
C. is sleeping
D. are sleeping
Countable & Uncountable Nouns › View
How _________ days did you take to finish the work?
A. much
B. many
Vocabulary › ViewA long open porch usually with a roof.
A. Ghastly
B. Verandah
C. Wistful
D. Revulsion
Grammar › View
. The company is not doing poorly; _______, profits actually rose last year.
A. under no circumstances
B. apart from this
C. on the contrary
D. despite this
