[ Modals: Possibility, Necessity, Expectation ]
Students must to sign in on weekends.
A. OK
B. Not OK

Random Topics:
Ed and Ing EndingsArticles and DeterminersPassive of Modal VerbsGrammar and Sentence CorrectionSentence CompletionMiscellaneous Grammar UsagesGrammar : Structural Common ErrorsArticles and QuantifiersNoun Verb AgreementPossessive Adjectives & Possessive PronounsOther quiz:
Simple Past Tense › ViewI was watching movie when my mother ……………………… me.
A. was calling
B. calls
C. called
D. is called
Conditional › View
We _________________ (buy) a house if we _________________ (decide) to stay here.
A. could buy/decide
B. would buy/decide
C. would buy/decided
D. bought/would decide
