[ Expressing Obligation and Modals ]
It is Monday. The students are having flag ceremony. Every student ….. wear uniform. They are standing in the yard.
A. can
B. must
C. may
D. should

Random Topics:
Present Simple and Present ContinuousTransition WordsObject PronounsLinking Verbs and TensesVerbs + Gerund or InfinitiveQuantifiers with NounsPast Perfect & Past SimpleSuffixes and TensesModals of Speculation and DeductionGerund, Participle, Infinitive, or AppositiveOther quiz:
Past Tense › ViewChoose the Past Simple of this word.
do
A. doed
B. does
C. did
D. dos
Argumentative Vocabulary › View
Your opinion (or the side you have chosen to represent) on a controversial topic is called…
A. Argument
B. Informational
C. Explanatory
D. Narrative
Present Simple and Present Continuous Tenses › ViewWhy … you … (not follow) them? Look! They are waiting for you.
A. are, not following
B. are, following
C. is, not following
D. do, not follow
Modals and Comparative Superlative › View
A rock is ………. a leaf.
A. heavier than
B. the heaviest
