[ Modals and Responsibilities ]
You ___ pay attention in class.
A. must
B. ought to
C. need to
D. responsible for

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Past PerfectGrammar and PunctuationInfinitives and GerundsMixed Present TensesSentences and Non Sentences“Put” Phrasal VerbFuture Tense (will/be going to/p.continuous)Conditional Sentence 0, 1Comparison and ModalsSentence StructureOther quiz:
Modal Auxiliary Verbs › ViewThey ______ (have to / must) clean their room before they can go out.
A. have to
B. must
Linking Words and Conjunction › View
Because the weather is hot, we stay indoor.
A. Because of hot weather, we stay indoor
B. Because hot weather, we stay indoor
C. In spite of hot weather, we stay indoor
D. Although hot weather, we stay indoor
Grammar › ViewIs there a plate?
A. Yes, there is.
B. Yes, there are.
C. No, there isn’t.
D. No, there aren’t.
Grammar › View
___ hour ago we met ___ history teacher.
A. A / an
B. A / a
C. An / a
D. An / an
