【題目】—_________is very interesting to swim in the river in summer,but it’s dangerous.

A. This B. That C. It D. He

【答案】C

【解析】

試題分析：句意：夏天在河里游泳很有趣，但它是危險(xiǎn)的。This這；That那；It 它； He他。It is + 形容詞+ to do sth是一個(gè)固定句型，所以選C。

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