[ FOR & SINCE ]
Kevin has been playing … two hours.
A. for
B. since

Random Topics:
Can vs CouldAdjective Clause and Adverb ClauseGrammar: Have toPast Perfect vs Past SimpleGrammar AssessmentNoun, Adjective, and Adverb ClausesPrepositions & Prepositional PhrasesWas and WereNoun QuantifiersSimple present/ past/ future tenseOther quiz:
Present Simple › ViewShe ____ to the movies on Fridays.
A. go
B. goes
Grammar › View
Boys, whose keys are these? Somebody must have left ____ keys here.
A. his
B. another
C. each other’s
D. every other’s
Conditional Sentences › ViewIf I _____ you were sick. I would have called sooner.
A. knew
B. had known
C. know
D. would have known
Modal Verbs › View
We _______________ consider all the options before making a decision..
A. can
B. could
C. must
