[ Grammar ]
We use ………. When something is compulsory, obligatory and important
A. Should
B. Must
C. Ought to

Random Topics:
Conjunctions and PrepositionDemonstrative PronounsNounsPunctuating ClausesCan vs CouldPerfect TensesSimple Past Tense (was/were)First Conditional & Future TensesModals, Phrasal Verbs, Gerunds and InfinitivesGrammar - Wh QuestionsOther quiz:
Tenses › ViewWhile Lan _______ as a volunteer in the countryside, she met an old friend.
A. was working
B. had worked
C. work
D. worked
Narrative Tenses › View
Peter is very lazy. He always copies his friends’ homework and never does it by _______________.
A. him
B. themselves
C. yourselves
D. himself