[ 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:
Grammar › ViewWhen they were in Paris, they … many museums and art galleries.
A. visit
B. visited
C. have visited
D. will visit
Phrasal Verbs › View
She ________ talking for hours!
A. took on
B. took in
C. got through
D. went on
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
