[ 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 › ViewMy sister could score better on the test if the teacher ……. the grammar once more.
A. explain
B. explained
C. explains
D. was explain
Grammar › View
Which adverb best completes the sentence?
She ____ laid the baby in the crib.