[ Past Modals ]
John ____________________________have called Amy, but he didn’t have her number. (past obligation)
A. must
B. could
C. should
D. may

Random Topics:
ConnectivesCountable - UncountableWord FormationGrammar - too & enoughTransitionsComparison of Adjectives and AdverbsFuture Time and TensesActive Voice-Present tenseRelative Clauses & Real ConditionalsGrammar and VocabulariesOther quiz:
Preposition and Conjunction › ViewIt started to rain, _______ we cancelled the trip to the beach.
A. and
B. but
C. or
D. so
Grammar › View
What time ______ you ______ this morning?
A. do/wake up
B. do/woke up
C. did/woke up
D. did/wake up