[ Modal Verbs ]
You look tired. You ____________ go to bed.
A. shall
B. must
C. will
D. should
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Present Simple TensePrepositions and Prepositional PhrasesModal Verbs for PossibilitySimple vs Continuous Past TenseGerund - to Infinitive Preposition and Word FormPassive Voice, Modals of Deduction and First ConditionalGrammar - Capitalization and Possessive NounsGrammar for IELTSReported Speech and TensesOther quiz:
Indefinite Pronoun › ViewEach of the printers has (its,their) own number.
A. Its
B. Their
Grammar › View
When you are on duty (đang trực), your uniform ……………..at all times
A. must be worn
B. must wear
C. must have worn
D. must have been worn
Grammar › ViewHe couldn’t concentrate ………………. his work, so he went for a walk.
A. on
B. in
C. about
D. at
Grammar › View
. The Himalayan mountains are believed _______ about 50 million years ago.
A. to have been formed
B. that were formed
C. forming
D. to form