[ Passive Voice ]
Litter ………. on the ground.
A. shouldn’t throw
B. shouldn’t thrown
C. shouldn’t be throw
D. shouldn’t be thrown

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Modal Verb, Passive VoiceGerund & ParticipleGrammar and PrepositionsArticles & Compound NounsConditionalsConjunctions, Interjections and DeterminersSimple Present VS Present ContinuousPresent tense AffirmativeVerb FormsAdjectives-Comparison, SuperlativeOther quiz:
Conditional Sentences › ViewIf you ____ me, I will help you.
A. ask
B. asked
C. asks
D. asking
Grammar › View
… of the children are learning French this year. They have decided to study Spanish.
A. Neither
B. Nor
I need to get to the supermarket very quickly. I wish I … a car!
A. would drive
B. could drive
C. had driven
D. drive
In/On/At + Time › View
_____ winter
A. in
B. on
C. at