[ Passive Voice and Modals ]
You _______________ not litter.
A. should to
B. have to
C. must
D. has to

Random Topics:
Common ErrorDefinite pronouns (Subject, Object, Reflexive)Past Narrative TensesArticle the or zero article (-)Grammar (was, were, could, could not)Past Simple (Questions)ClauseVerb AbilityClauses and ConjunctionMust Vs Have toOther quiz:
Sentence Structure and Verb Tenses › ViewWhat is the correct past perfect form of the verb “eat”?
A. Eat
B. Ate
C. Eating
D. Had eaten
Vocabulary › View
Who’s going to wash up? Shall I ……… a coin?
A. dribble
B. tackle
C. toss
Articles and Demonstratives › ViewLisa saw _____ shooting star yesterday.
A. a
B. an
C. the
D. this
There is or There are › View
There’s a girl ___ the swimming pool.
A. on
B. at
C. in
