请问这句话的主句和谓语动词分别是什么?

请问这句话的主句和谓语动词分别是什么?
oil rigs have to be repaired frequently and divers,who often have to work oin darkness a hundred feet under water,have been frightened out of their wits by giant fish bumping into them as they work.
lzq20616 1年前 已收到1个回答 举报

雪域21 幼苗

共回答了22个问题采纳率:100% 举报

主句oil rigs have to be repaired frequently and divers have been frightened out of their wits by giant fish bumping into them as they work.
谓语动词repaire ,been

1年前

7
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