It’s important ____________ if you want to be sure of a seat.
A. To book
B. Book
C. Booking

Random Topics:
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 › ViewA: How long ____ Sam and you played for the school rugby team?
B: We’ve ____ for the team for six months.
A. has, play
B. ever, played
C. have, played
D. ever, play
Grammar › View
What is the superlative form of the following adverb?
efficiently
A. (the) more efficiently
B. the most efficient
C. most efficiently
D. the more efficient
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
