If you should do something, then it is….
A. recommended
B. necessary
C. prohibited
D. obligatory

Random Topics:
Simple Present Negative and QuestionModals of Necessity and SuggestionAdverbs and PhrasesPresent Perfect, Present Simple, Present Continuoustoo / enoughSimple Past or Past ContinuousSubjunctivesGerunds and InfitinitivesGrammar: SyntaxPronoun-Verb AgreementOther quiz:
Modal Verbs › ViewShould is used to express
A. ability
B. possibility
C. advice
D. obligation
Future Tenses › View
Construct a future perfect continuous sentence with the verb ‘study’.
A. I will be studying for five hours by the time you arrive.
B. I will have been studying for five hours by the time you arrive.
C. I have been studying for five hours by the time you arrive.
D. I will have studied for five hours by the time you arrive.
Tenses › ViewPresent Perfect Continuous: They ________ for two hours without a break.
A. will be swimming
B. have been swimming
C. had been swimming
D. will have been swimming
Grammar › View
She _______ her keys before she left the house.
A. loses
B. has lost
C. lost
D. was losing
