[ 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:
Hope, Thank, Modal Verbs › ViewChoose the correct modal verb: “He ___ be the one who took the book.”
A. could
B. should
C. would
D. must
Tag Question › View
Nobody in my class could finish the swimming test last semester, ____?
A. couldn’t him
B. couldn’t they
C. could they
D. could it
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
