[ Infinitive and Gerunds ]
It’s important ____________ if you want to be sure of a seat.
A. To book
B. Book
C. Booking
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TOEICGrammar for IELTSPast Simple (Questions)Passive Voice - Past SimpleWish, Unless, If sentenceReported Speech and SubjunctiveQuantifiers: too many, too much & enoughVerbal PhrasesEssential and Nonessential ClausesGrammar- Later/LatterOther quiz:
Grammar › ViewComplete the sentence with the present perfect form of the verb.
Mom and Preston (fix) the thermostat, but it is still cold in the house.
A. have fixed
B. had fixed
C. had been fix
D. should fix
Grammar › View
Lemon juice doesn’t have negative impacts on the environment _____ we should use it for cleaning instead of hazardous chemical products.
A. because
B. although
C. so
D. but