[ Passive Voice with Modals ]
Recyclable materials ______ separated into categories.
A. can be
B. must be
C. may be
D. should be
Select your answer:

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Parts of Speech and Compound Sentences › ViewJenny is irresponsible. She creates trouble _____ she goes.
A. wherever
B. whenever
C. ever since
D. though
Irregular Verb › View
Pichpanha has ______ her moto over her student book a dozen times, but Grammar still haunts her.
A. ride
B. rided
C. ridden
D. ridded
