It is amazing that the little boy can swim the river 100 meters in width. A. across; meas

问题补充：

It is amazing that the little boy can swim the river 100 meters in width.

A. across; measuring

B. over; measured

C. across; measured

D. through; measuring

答案：

(答案→)A. across; measuring

B. over; measured

C. across; measured

D. through; measuring

解析：考查介词和现在分词做定语：句意：太令人惊奇了，这个小男孩（竟然）能游过100多米宽的河。第一空填介词across，指穿过…的表面，第二空填measuring，因为measure表示“长，宽，高”是多少是不及物动词，the river和measure是主动关系，所以选A。