[ Grammar ]
Patients ______ leave the hospital without doctor’s permission.
A. must
B. mustn’t
C. has to
D. doesn’t have to

Random Topics:
Present Continous TenseGrammar: so and suchPast ModalsGrammar & VocabularyConjunction and PunctuationIdentifying TensesAdjectivesModals and InversionComparative AdverbsSubordinate ConjunctionsOther quiz:
Grammar › View_____ flags for charity was a ____________ experience.
A. Sell, terrible
B. Selling, meaningful
C. Sells, awful
D. To sell, wonderful
Grammar › View
Do we have ……………… juice?
A. many
B. much
C. a
Used to - Would - Tenses › ViewWe’d rather go camping than ………… in a hotel.
A. staying
B. stay
C. to stay
D. to staying
Grammar › View
We have been receiving gifts from our friends ____ we came back from Europe.
A. since
B. during
C. for
D. at
