问题
选择题
He and his sister at the library this morning.
A．is
B．are
C．was
D．were
答案
答案：D
题目分析：句意：他和他姐姐今早上在图书馆。主语是并列主语，所以be用复数形式，根据时间状语及句意，此空应用过去时态，故选D。
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He and his sister at the library this morning.
A．is
B．are
C．was
D．were
答案：D
题目分析：句意：他和他姐姐今早上在图书馆。主语是并列主语，所以be用复数形式，根据时间状语及句意，此空应用过去时态，故选D。
