[ Modal Verbs and Conditionals ]
You …………… walk on the grass. It isn’t allowed.
A. won’t
B. can’t
C. mustn’t
D. couldn’t

Random Topics:
Tenses and StructuresTime ExpressionsPreposition (at,in,on)Vocabulary and GrammarAdjectives and VocabularyModals, Infinitives and GerundsConditionals and Modal VerbsZero ConditionalPassive Voice and Relative ClausesAdverbial Concession ClausesOther quiz:
Must / must not › ViewYou … switch your mobile phone on the plane.
A. must
B. mustn’t
Question Tag › View
Michael and Henry didn’t finish their homework, __________________?
A. does she
B. did he
C. did they
Vocabulary › View_____ respect is essential for any healthy relationship.
A. Mutual
B. Individual
C. Universal
D. Personal
Tenses › View
When Ryan was young he _____ fishing.
A. will go
B. was going
C. has gone
D. used to go
