[ Modals ]
The office workers _____ follow the protocol set in their company whatever the situation is.
A. has to
B. must
C. mustn’t
D. must be

Random Topics:
Gerunds as objects of prepositionProgressive Verb TensesImperative SentencesRelative Clauses and UsageTypes of Sentence StructuresModals and Modal PerfectsPrepositions and Prepositional PhrasesGrammar Comma UsageObject PronounsFirst and Second ConditionalOther quiz:
Grammar › ViewDon’t forget that you’ve placed your car keys _______________ the table.
A. toward
B. between
C. on top of
Simple Past Tense › View
Diana …. her holiday in Bali last holiday
A. spend
B. spends
C. spent
D. spending
Vocabulary and Grammar › ViewLearning a foreign language is difficult ____ .You have to study a lot.
A. doing
B. to do
C. do
Wish, Unless, If sentence › View
I miss my grandmother. If only she_____ here right now.
A. were
B. could be
C. had been
D. were
