[ Conditional Sentences ]
_____ we don’t protect these animals now, they will die out
A. if
B. unless

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Modals and Past ModalsFuture - be going toVerb to Be Tenses & Object PronounTenses and Sentence CompletionIndependent ClausesTenses & PassiveAdverbial Clauses of Reason / CauseTOEFL Adjective and AdverbModal ProbabilityPresent Perfect vs Past SimpleOther quiz:
Grammar › View_____ the letter ?
A. Have your dad written
B. Have your dad wrote
C. Has your dad written
D. Has your dad wrote
Modal Verbs › View
James ………… go on holiday to Italy; he hasn’t made up his mind yet.
A. might
B. ought to
C. should
Modal Verbs › ViewI _______ forgotten to lock the door; I’ll go back and check.
A. shouldn’t have
B. must have
C. would have
D. should have
Prepositions › View
Can you help me, please? I can’t see the differences…..these words
A. from
B. in
C. between
D. about
