The old man is ill. He to the hospital.——青夏教育精英家教网——

摘要： The old man is ill. He to the hospital.

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—The old man is ill. He ________ to the hospital at once.
--Don’t worry. A doctor _________to come already.

A．must be sent , has asked

B．must send, have asked

C．must be sent, has been asked

D．must send, have been asked

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用动词的正确语态填空。

The old man is ill．He ________(must send)to the hospital．

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