[ Grammar ]
I’m not sure who she is. She _________ our new teacher.
a. may be
b. may not

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Simple Past Tense › ViewI ……. this floor yesterday
A. swept
B. sweep
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The book [whom / whose] cover is leather is mine.
A. whom
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A. most best
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Vocabulary and Grammar › View
A _________ is something you want to do or achieve.
A. explore
B. mission
C. protection
D. migrate
