[ Modal Verbs ]
We ___ learn how to clean the weapon.
A. have to
B. had to
C. must
D. mustn`t
E. should
Select your answer:

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Subject Verb Agreement and TensesHelping and Linking VerbsVerbals and VoiceGrammar - ConnectorsModal Verbs and ConjunctionsAdverb Types and TensesWish + Verb 2Simple Present vs Present ProgresiveIf ClausesAdverbial Clause of ConcessionOther quiz:
Offering Help › ViewA: Sir, I think I’m lost
B: ….
A. Can I help you to get another?
B. May I help you? I have a dog too.
C. Can I help you? I know this place.
D. Let me help you carrying your bag.
Kinds of Nouns › View
vegetable
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
