[ Grammar ]
We also have an evacuation plan _______ we need to get everyone off the rig quickly.
A. when
B. if
C. unless
D. in case

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Grammar and SyntaxAdverbial Concession ClausesDefinite, Indefinite and Zero ArticlesPresent Perfect vs Past SimpleConjunction: Because and SoPossessive PronounsConstrative ConjunctionApostrophe GrammarTOEICGrammar Double Object VerbsOther quiz:
Grammar › ViewBy the end of January, I ________ my driving license for 10 years.
A. will be getting
B. will get
C. am going to get
D. will have got
Grammar › View
Fur seals have large eyes, _____ allow them to see well underwater.
A. what
B. who
C. which
D. whom
Conjunctions › ViewMatt went to the beach, ___ he learned to surf.
A. or
B. and
C. but
D. for
Adverb Clauses › View
He couldn’t play soccer __________ he hurt his ankle.
A. if
B. before
C. as
D. unless
