[ Grammar ]
Dan should apologize to his friend.
A. giving advice
B. making a suggestion

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TensesTime Clauses of FuturePerfect and Past TensesPresent / Future / Present Progressive / non Action VerbsSecond and Third ConditionalVocabulary and ModalsCountable QuantifiersBe going to / WillAuxiliary Verbs (be, do, have)Third ConditionalsOther quiz:
Grammar and Vocabulary › ViewHe is as talkative as a _________ and often disrupts the class.
A. canary
B. nightingale
C. hawk
D. magpie
Modals of Advice › View
The travelers ___ to show their passports after they leave the plane.
A. need
B. should
C. must
D. had better