[ 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:
Conjunction › ViewJane is beautiful and intelligent; ________ she’s very kind.
A. Moreover
B. However
C. Therefore
D. But
Homonyms › View
Why don’t you ___ down and enjoy the scenery?
a. sloe
b. slow
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
