[ Grammar ]
We swam in the pool _______ an hour.
A. for
B. during
C. while
D. no preposition

Random Topics:
Participle Clauses & Cleft SentencesFirst ConditionalFuture Simple TensesFuture TenseAdverbial Clauses of Manner and ResultGrammar and PrepositionsTenses of Verbs - UsagePresent and Past TensesGrammar ModalsGerunds and TensesOther quiz:
Noun Quantifiers › ViewHow ____ sweets would you like? How ____ is 1kgs cost?
A. much / many
B. many / many
C. many / much
D. much / much
Grammar › View
Last Friday night, we ____ home.
A. stay
B. stayed
C. will stay
Articles › ViewParis is known as . . . City of Light.
A. a
B. an
C. the
D. –
Perfect Modals › View
What a great day! I ________________ (ask) for more.
A. couldn’t have asked
B. must have asked
C. may have asked
D. should have asked
