[ Passive Voice with Modals ]
Some plastics ______ put in recycling containers.
A. can be
B. must be
C. may be
D. should be

Random Topics:
Grammar - either...or, neither...norConjunctionsSimple Tenses in EnglishConditionals and Modals of ProbabilityPresent Simple and Present Continuous TenseSynonymPronoun Antecedent AgreementDefinite and Zero ArticleNoun / PronounAdjective ending with ED & INGOther quiz:
Modals › ViewYou ____ in Tim’s car. I didn’t know that Tim was invited. You ____ me.
A. could come / could tell
B. could come / should tell
C. could have come / should have told
D. must have come / could have told
Grammar › View
It’s so _____ when you fall over in public!
A. embarrassed
B. embarrassing
C. embarassing
Wish Clause › ViewThomas wishes he __________ so ill.He wants to go out and play with his friends,but he can’t.
A. weren’t
B. hadn’t been
C. won’t be
D. wouldn’t be
Grammar and Idioms › View
Complete the sentence with the correct verb form: Had he ___ more effort, he would have succeeded.
A. put
B. puts
C. putting
D. putted
