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

Random Topics:
Comparatives - SuperlativesJobsHave to / Do not have toPast Simple Negative & QuestionsPassive VoiceTake or PutAbilityGrammar Pronoun and Singular Plural NounGrammar - may & mightComparative - SuperlativeOther quiz:
Grammar › ViewPeople should use ______ plastic bags.
A. People should use less plastic bags.
B. People should use fewer plastic bags.
C. People should use too many plastic bags.
D. People should use too much plastic bags.
Tenses › View
What is the future continuous form of the verb “to talk”?
A. I will talk.
B. I will be talking.
C. I talking.
D. I talked.
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