[ Grammar ]
The police are sure they ___ the thief by Sunday.
A. have arrested
B. going to arrest
C. will be arresting
D. will have arrested

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Grammar Double Object VerbsImperative SentencesPresent Simple & Present Continuous TensesWill vs be going toIndependent/Dependent Clauses & Relative ClausesRelative Clauses & Real ConditionalsPreposition of PlaceQuestion Tags in Verb Tenseswould should couldVerb and PrepositionOther quiz:
Tenses › ViewShe ___________ English every week.
A. teaches
B. teach
Kinds of Sentences › View
Are you willing to help a stranger?
A. Declarative Sentence
B. Exclamatory Sentence
C. Imperative Sentence
D. Interrogative Sentence