[ 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:
Grammar › View________ his father cooked before?
A. Has
B. Have
C. Was
D. Were
Determiners & Quantifiers › View
We’re having a big party. We’ve invited ________ friends
A. a lot of
B. much
C. many of
D. no
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
