[ Preposition ]
The old woman hid the box __________ her mattress.
A. under
B. through
C. behind
D. against

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There is or There arePrepositional PhrasesReflexive Pronouns & Modal VerbsGrammar and ReadingHelpful Phrases Past Perfect and Past Perfect ContinuousAdjectives with PrepositionModals of Necessity and SuggestionPresent Progressive (Future)Past PassiveOther quiz:
Many vs. Much › ViewWhich ice-cream do you want ? / I don’t know. There are ……………………… flavours (= vanilla, chocolate, strawberry…)to choose from.
A. Enough
B. Too much
C. Too many
Grammar & Vocabulary › View
In my opinion, the entry fee ________ be so expensive.
A. shouldn’t
B. mustn’t
C. could not