. They have been studying for three hours.
A. Present Perfect Tense
B. Present Perfect Continuous Tense
C. Past Continuous Tense
D. Future Perfect Tense
Random Topics:
Sentence CompletionPast, Present, FuturePresent Perfect vs Past Simple TenseGrammar - Capitalization and Possessive NounsArticles with SubstancesPassive Voice and ModalsPossessive Nouns with Apostrophes and PronounsPresent Perfect Tense and Simple Past Tenseanother/the others/each other/one anotherPast Simple - Present PerfectOther quiz:
Future Tenses › View•Don’t drive too fast like this. We’re going to have an accident!
A. •Predictions (based on present evidence)
B. •Decisions (taken before now – intentions/plans)
C. •Future arrangements (emphasis on intentions)
Grammar › View
Both Asian and Western students seem __________ about how to answer the questionnaire of the survey.
A. confusedly
B. confused
C. confusing
D. confusion
Tenses › ViewWhich sentence is grammatically correct?
A. I wish I was taller.
B. I wish I were taller.
C. I wish I am taller.
D. I wish I had been taller.
Quantifier › View
Buy ___________ bread and cheese for the picnic if you want to help.
A. some
B. any
C. many
D. much