[ Modal Verbs ]
All visitors … feed the animals. It’s danger
A. mustn’t
B. should not
C. must
D. should

Random Topics:
If- ConditionalSpeculation with Modal VerbsComparative AdjectiveLinking VerbShould and Shouldn'tSimple and Continuous TensesAsking for and Giving OpinionGerunds and ModalsThe First Conditional (if/unless)Past Simple Negative & QuestionsOther quiz:
Subordinating Conjunction › ViewYou can’t leave the table ______ you finish your vegetables.
A. unless
B. because
C. if
D. until
Adverbial Clauses › View
When I last saw him, he________in London.
A. is living
B. has been living
C. was living
D. lived
Grammar › ViewThe manager _____ to see you right now because she’s in a meeting.
A. isn’t able to
B. is able to
C. was able to
D. has been able to
Grammar › View
If she ______ time, she _______ more.
A. had; will read
B. has; reads
C. has; will read
