[ Modal Verbs ]
It’s compulsory for you to contact the customer and give her an explanation.
A. You needn’t contact the customer and give her an explanation.
B. You must contact the customer and give her an explanation.
C. You may contact the customer and give her an explanation.
D. You shouldn’t contact the customer and give her an explanation.

Random Topics:
Grammar ModalsLinkers and ConjunctionsPast form of ModalsArticlesRelative Clauses with who and whichModal Verbs for Permission and ObligationRegular and Irregular VerbsRelative Clauses & Real ConditionalsPresent TenseModals of ProhibitionOther quiz:
Prepositions › ViewI went into the kitchen to clean up after dinner last night, but _______ my surprise, my husband had already washed the dishes!
A. for
B. at
C. to
Past Simple or Past Continuous › View
John and Martin ate hamburgers.
A. Past Simple
B. Past Continuous
Tenses › ViewDấu hiệu nhận biết thì Hiện tại hoàn thành
A. now
B. last year
C. up to now
D. soon
Question Tag › View
He saw the accident yesterday, ………. ?
A. is he
B. won’t he
C. didn’t he
D. doesn’t he
