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()“Whatarethestudentsdoing?”“Somebooksandothersattheblackboard.”

题型：单选题

选项

A. are looking, are reading

B. are reading, are watching

C. are watching, are looking

D. are reading, are looking

正确答案：D

()“Whatarethestudentsdoing?”“Some______booksandothers______attheblackboard.”