[ Perfect Tenses ]
She is unhappy because she ___________ her keys
A. losing
B. lost
C. have lost
D. has lost
Select your answer:
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To Infinitive or GerundTenses & PassiveGender and GrammarIf/Unless - Conditional type 1as...as, comparatives, superlativesPresent Simple with Adverbs of FrequencyPresent and Past Simple PassiveFuture TensesPast Perfect and Past Perfect ContinuousNoun Phrases and AdverbialsOther quiz:
Antonyms › View Bob is the shortest boy in our class.
A. tallest
B. biggest
C. widest
D. brightest
Gerunds and Infinitives › View
_________ a big mountain takes a lot of money.
A. Climbing
B. climb
C. climbs
D. to climbing