[ Tenses ]
Some ducks ___ in the pool at the moment.
A. are swimming
B. are swiming
C. is swimming
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English ArticleComparatives - SuperlativeWish - beginnerCausative VerbPresent ProgressiveVerbs & Phrasal VerbsPassive Voice, Modals of Deduction and First ConditionalConditional Sentences and AdverbsPrepositions and Preposition PhrasesTo Infinitive/Bare Infinitive/GerundsOther quiz:
Vocabulary › Viewsubstance, ordinarily a liquid, in which other materials dissolve
A. solvent
B. solute
C. solution
D. reactant
Vocabulary › View
Some of the rock that had been scooped out had also been __________ by the glacial action, turned into sand, and now made a small sand beach.
A. intervals
B. imbed
C. pulverized
D. murky
Grammar & Vocabulary › ViewHave you ever been impressed by an _______ person and their actions?
A. amiable
B. criticize
C. wallop
D. mope
Grammar - TOEIC › View
The last time I __________ to Korea, I spent three weeks on Jeju island.
A. went
B. have gone
C. was going
D. go