It is a modal verb that is used to express obligation or necessity, and is often used when an external requirement is imposed, rules or law statements.
A. should
B. have to
C. must
D. be allowed to
Random Topics:
Types of Simple SentencesGerund vs InfinitiveSimple Past/Past ProgressiveFew, a few, little, a littleSo - Too - Either - NeitherPrepositions of Time and PlacePronounConditional Sentence Type 0-3Prepositions Of PlaceAction VerbOther quiz:
Past Tenses › ViewAt three o’clock yesterday afternoon they … at an outdoor café.
A. sat
B. were sitting
C. had been sitting
D. had sitted
Grammar › View
Which of the following is an example of a simile?
A. Her eyes were sparkling diamonds in the sunlight.
B. The book was a passport to another world.
C. The water was as clear as a crystal.
D. I’m so hungry, I can eat a horse!
Grammar › View___ to the airport?
a. How far is
b. How far is it
c. How distance is it
Phrasal Verb › View
Dentists ……that cleaning teeth after meals and avoiding eating sweets and sugary foods prevent tooth decay.
A. Give away
B. Get over
C. Point out
D. Give in