[ Present Perfect Continuous Tense ]
Lisa looks really great. She __________ at the fitness center.
A. have been exercising
B. have been exercised
C. has been exercising
D. has been exercised

Random Topics:
Basic TensesModals Of SpeculationPast and Present Continuous tenseParts of SpeechGrammar: Simple Past and Past ContinuousNouns as AdjectivesComparatives and ConjunctionsAsking and Giving SuggestionPrepositions and Prepositional PhrasesAdverbs (manners & modifiers)Other quiz:
Grammar › ViewAt 5 o’clock on Monday his sister ___________ the dog.
A. walks
B. walked
C. was walking
D. is walking
Verb Tenses › View
Which of these sentences support the generalization that there are a lot of people who are afraid of heights?
A. The lifeguard said that many kids and adults are fearful of climbing up to the high diving board.
B. Bungee jumping is a popular activity in Australia.