[ Grammar ]
The doorbell rang _______ we were having dinner.
A. while
B. won’t
C. when
D. will

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Perfect Tenses of VerbsUsed to & would & Past SimpleGrammar - direct/indirect objectsHave vs. HasComparative AdjectivePunctuating ClausesGrammar TOEFLGrammar-Present Continuous-Sentence MakingConditionals and Modals of ProbabilityGrammar and IdiomsOther quiz:
Modal Verbs › ViewThis film ______ be really good. All my friends like it.
A. could
B. might
C. may
D. must
Perfect Tense › View
What verb tense do you use for something that was started and completed in the past?
A. Past perfect
B. Present perfect
C. Simple past
D. Past continuous
