He stuck to the theory which proved to us that earthquake can be forecast.

He stuck to the theory which proved to us that earthquake can be forecast.
怎么错了呢?请行家指教!
英语人气:516 ℃时间:2019-10-11 17:17:42
优质解答
be 后面用动词的话用该用被动语态,forecast 应该改为 forecasted.
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