[ Passive Modals ]
I found this book on my desk when I came to class. It — (leave) by one of the students in the earlier class.
A. must have left
B. must be left
C. must have been left
D. must have be left

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Active & Passive Voice › ViewThe metal beams were corroded by the saltwater.
A. Active Voice
B. Passive Voice
Grammar › View
The books are in the living room,_______ are on the shelf.
A. he
B. it
C. we
D. they
What are you cooking in that saucepan? It ____________ good
A. smells
B. is smelling
C. smelled
D. has smelled
Grammar › View
“The homecoming game will be an awesome event if we win, and I hope the weather is nice.” What is the part of speech for “an”?
A. Adverb
B. Pronoun
C. Interjection
D. Article
