[ Passive Voice with Modals ]
Plastic bottles ______ turned into new products.
A. can be
B. must be
C. may be
D. should be

Random Topics:
VerbsModal Auxiliaries and Similar ExpressionsTenses and Figurative LanguagePresent TensesHave vs. HasPresent and Past TenseGrammar TOEFLGrammar - direct/indirect objectsTenses: Present simple, Past Simple, Future SimpleMust or Mus notOther quiz:
Adjective › ViewIt is __________ for children to realize they are in charge.
a. frightening
b. frightened
Grammar › View
Yesterday___people came to the town to watch the car race.
A. hundreds
B. hundred
C. hundreds of
D. hundred of
Grammar › ViewWe ________ lots of fruit at the farmers’ market yesterday.
A. buyed
B. bought
C. buy
Grammar › View
The woman with the bright red shoes ________ to speak with the manager.
A. wish
B. wishes
C. are wishing
D. have been wishing
