[ Passive Voice with Modals ]
This problem ___ immediately to avoid further damage.
A. has to be solved
B. has to solve
C. has solved

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Grammar Phrases › View. Obviously, I could be wrong. The adverb “obviously” modifies
A. verb
B. pronoun
C. clause
Grammar › View
Choose the correct form of the underlined verb.
Many homes were destroyed when the dam break.
A. breaked
B. broken
C. broke
Grammar › ViewHe ___ (write) an email when his colleague came to his desk.
A. write
B. writing
C. was writing
D. wrote
Grammar › View
He is the __________ student in the class.
A. smarter
B. most smart
C. smartest
D. more smart
