问题补充:
—is very interesting to swim in the river in summer,but it’s dangerous.
A. This
B. That
C. It
D. He
答案:
A. This
B. That
(答案→)C. It
D. He
解析:句式:It is adj to do sth做某事怎么样。本结构中it做形式主语,指代下文不定式内容,其它选项无此用法。故选C。
时间:2019-09-16 16:23:21
—is very interesting to swim in the river in summer,but it’s dangerous.
A. This
B. That
C. It
D. He
A. This
B. That
(答案→)C. It
D. He
解析:句式:It is adj to do sth做某事怎么样。本结构中it做形式主语,指代下文不定式内容,其它选项无此用法。故选C。