[ Modal Verbs ]
People living in high-rise buildings _____ obey the safety rules and regulations strictly.
A. shouldn’t
B. mustn’t
C. may
D. have to

Random Topics:
Grammar TOEFLDemonstrative Pronouns and Verb TensesAdverb or AdjectiveGrammar - Wh QuestionsGrammar and Sentence CorrectionComparative and Superlative AdjectivePresent Perfect Simple & ContinuousPresent PerfectPresent Perfect Simple & Present Perfect ContinuousPronouns/ Present TenseOther quiz:
Active and Passive Voice › ViewTom’s father is an excellent athlete. He ……….some sort of sport every day. (DO)
A. does
B. doing
C. do
Simple Past Tense › View
What is the past simple form of ‘like’?
A. likes
B. like
C. liked
D. liken
Coordinate Conjunction › ViewThe candidate didn’t show up for the interview, … the HR manager crossed her off the list.
- and
- but
- so
- yet
Comparatives ( adj/ adv) › View
The air in the mountainous zones is ______ than that in the cities.
A. more fresh
B. fresher
C. more fresher
D. freshly
