[ Types of Sentence Structures ]
The platypus has venom-producing glands, which are rare among mammals, but its venom is not generally lethal to humans.
A. simple
B. compound
C. complex
D. compound-complex

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Grammar and Vocabulary › ViewI _____________ at 7 o’clock.
A. usually wake up
B. I am usually waked up
Articles and Pronouns › View
Choose the pronoun that would take the place of the word or words in green.
Peter and Susan went to talk to the
Professor.
A. him
B. her
C. them
D. it
Grammar › ViewMy sister could score better on the test if the teacher ……. the grammar once more.
A. explain
B. explained
C. explains
D. was explain
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Which adverb best completes the sentence?
She ____ laid the baby in the crib.
