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试题详情及答案解析

— the door, please.
— Please come in. The door .

A．Be open; opens	B．Be open; is opening
C．Open; opens	D．Open ; is open

答案：D

试题分析：句意：--请开门。--请进。门是开着的。以动词原形开头的句子是祈使句。Be open表示开着的状态。结合句意，故选D
考点：考查动词的用法。