[ COUNT - NONCOUNT NOUNS ]
There is no doubt that ________ provides many benefits to the body.
A. exercise
B. an exercise

Random Topics:
Used to & would & Past SimpleAdverb ClauseGrammar speak,talk,say,tellTenses and Passive VoiceUsed to - Would - TensesPreposition FormModal SpeculationGrammar - Verb FormsRelative - ConditionalArticles and PrepositionsOther quiz:
Simple, Complex, Compound Sentence › ViewAfter he drove the new car, he knew he had to buy it.
A. Simple Sentence
B. Compound Sentence
C. Complex Sentence
D. Compound Complex Sentence
Past Perfect Tense › View
Mary ________ the test before Sam arrived to class. (take)
A. Has taken
B. Took
The bed ………………. I slept in was too soft.
A. which
B. who
C. whom
D. whose
Modals for Obligation › View
Choose the best option:
Jim ______ study for the Final Exam, there is no other option if he wants to pass.
A. have to
B. can
C. should
D. has to
