[ Tenses ]
When we saw the crime, we _____ the police.
A. called
B. were calling

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Comparatives - SuperlativesJobsHave to / Do not have toPast Simple Negative & QuestionsPassive VoiceTake or PutAbilityGrammar Pronoun and Singular Plural NounGrammar - may & mightComparative - SuperlativeOther quiz:
Grammar › Viewwas the film? Wonderful movie
A. Where
B. What
C. When
D. How
Present Perfect Tense › View
A: What have you just done? B: I’ve just ….. a letter.
A. written
B. is writing
C. writing
D. am writing
Grammar › ViewI ___________ come to the party yesterday.
A. must
B. may
C. couldn’t
D. will
Subject and Verbs Agreement › View
The old ____ help.
A. needs
B. need
C. needing
D. all are correct