[ Expressing Obligation and Modals ]
You …. be quiet when someone else is speaking.
A. must
B. must not

Random Topics:
Present/Past/Past ParticplePresent, Past, and Future TimeQuantifies and Modals of DeductionPast and Past ContinuousGrammar - some / anyVocabulary & Phrasal VerbQuestion Tags in Verb TensesGrammar : can, could and be able toVerb + Infinitive or GerundNoun ClauseOther quiz:
Prepositions › ViewThey went ____ the zoo ____ Sunday.
A. To – in
B. At – at
C. In – at
D. To – on
Conjunction › View
We went for a walk ______________ it was raining.
A. moreover
B. because
C. therefore
D. even though
Identifying Sentence Types › ViewKarl saw a movie this weekend, but he thought it was really boring.
A. Simple Sentence
B. Compound Sentence
C. Complex Sentence
Grammar › View
Choose the correct form of the verb: My friend _ about buying a new car these days.
A. thinks
B. think
C. thinking
D. is thinking
