For example you will have to use chlorine a strong disinfectant in the pool to keep it clean.
A. For example you will have to use chlorine a strong disinfectant in the pool to keep it clean.
B. For example, you will have to use chlorine, a strong disinfectant, in the pool to keep it clean.
C. For example you will have to use chlorine, a strong disinfectant, in the pool to keep it clean.
D. For example, you will have to use chloring, a strong disinfectant, in the pool, to keep it clean.
Random Topics:
Adverbial Clause of ConcessionInfinitive and GerundPresent Continuous, Present Perfect and Used toAdverbs and Time ExpressionsTypes of Sentence StructurePunctuation and Grammarlike/do not likePresent Simple and Modal VerbsSuperlative & Comparative AdverbsReported Speech and Reporting VerbsOther quiz:
Modals › ViewI didn’t know your mum could / should play the violin so well.
A. could
B. should
Modals › View
When they were young, they ________ play outside every night after dinner.
A. should
B. use to
C. would
D. might
Mixed General Quiz › ViewThe neoprene wet suit was ___ by a resident of Santa Cruz because the water there is cold but the surfing is good.
a. invented
b. invent
c. inventing
Present Tenses › View
My dad works nights so we don’t see much of him in the week.
A. This is true just this week.
B. This is true every week.