[ 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:
Conditionals › View………..Mike, I might not have known you.
A. Had it not for
B. Had it no been for
C. Had not it been for
D. Had it not been for
Prepositions of Time › View
I have a Mathematics test _________ next Tuesday.
A. at
B. on
C. in
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
