[ Vocabulary and Grammar ]
____________ Bobby often ____________ physics experiment after school?
A. Does/do
B. Is/do
C. Does/do
D. Is/does

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Vocabulary and Grammar › ViewBoth small and large animals are a black bear’s ________.
A. species
B. prey
C. extinct
D. wild
Grammar › View
That group of stars __________ the Big Dipper
A. is called
B. are called