[ TOEFL Adjective and Adverb ]
Mainly important for its chemical reactivity, chlorine can be used . . . water.
A. to sanitize
B. for sanitation
C. and sanitizing
D. sanitizes

Random Topics:
DescriptionsVocabulary Spelling GrammarConditional ClauseVerb-ing and InfinitiveGerund and To InfinitiveGrammar, adverbs of frequency placementPresent, Past, and Future TimeFuture TensesComparatives - SuperlativePhrasesOther quiz:
Grammar › ViewWhich of the following sentences is correct.
A. William’s cat is staying at Beckys house.
B. A. Williams cat is staying at Becky’s house.
C. Williams cat is staying at Beckys house.
D. William’s cat is staying at Becky’s house.
Homonyms › View
She may not be very pretty but she is not exactly ___ either.
a. plain
b. plane
We need to plan our trip. I _______________ you tomorrow.
A. am going to call
B. are going to build
C. will drink
D. will be
Past Tense › View
kristina….. to an opera before she lived in Jakarta
A. was never going
B. has never gone
C. had never gone
D. did not go
