[ Passive Voice with Modals ]
Electronic devices ______ recycled at special centers.
A. can be
B. must be
C. may be
D. should be
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Grammar - Capitalization and Possessive NounsWill and Going toPassive of Modal VerbsDegrees of AdjectivesSentence Types and ConjunctionsAdjectives and AdverbsVocabulary and DefinitionsPassive and Active VoiceHope, Thank, Modal VerbsSentence Structure and Grammar RulesOther quiz:
Ving - To V › ViewForget + ? = Nhớ đã làm gì (mang ý nghĩa quá khứ)
A. To V
B. Ving
Grammar › View
She _____________ do her homework every day.
A. must
B. make
C. let
D. mustn´t
Adverbs › ViewHow is the comparative form of most adverbs that end in -LY created?
A. By adding -er to the positive form
B. By adding more before the positive form
C. By adding -est to the positive form
D. By adding most before the positive form
Grammar › View
It ____ hard since last night(rain)
A. Has been
B. Had
C. Has been raining
D. Rained