-The possibility of a flood was just reported over the radio. -I know. I heard a
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—The possibility of a flood was just reported over the radio.
—I know. I heard about it. The river the top of its bank, it's dangerous.
A.reached B.reaches C. hadreached D. has reached
试题答案
答案:D
解析:| 根据I know和it's dangerous的时态,可以判断出本句表达的意思是目前的情况,而且是目前的结果,所以用现在完成时。
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