[ Past Perfect and Past Perfect Continuous Tense ]
The staff _______ ___________ ___________ lunch for the special guests since 8 a.m.
A. had been preparing
B. must have prepared
C. would have prepared
D. could have been preparing
Select your answer:
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Expressing Obligation and Modals › ViewYou …. write notes to friends in class.
A. must not
B. must
Grammar › View
Draw two oranges on____blackboard.
A. An
B. A
C. The
D. No answer