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:
Grammar › ViewSelect the appropriate option: “It’s already quite late, so little James ………….. when you arrive.”
A. is sleeping
B. will sleep
C. will have slept
D. will be sleeping
Articles and Pronouns › View
Choose the pronoun that would take the place of the word or words in green.
Peter and Susan went to talk to the
Professor.
A. him
B. her
C. them
D. it
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
