题目内容
12._______ the house on fire,he dialed 119.( )A. | Seen | B. | Being seen | C. | Seeing | D. | To see |
分析 看见着火了,他打了119.
解答 答案是C.考查动词时态.句意是:看见着火了,他打了119. 看见着火 和 打119 是同时进行的,所以用现在分词形式seeing作伴随状语.故选C.
点评 解答此类题目,首先要掌握时态的用法,然后根据语境选择正确的答案.

练习册系列答案
相关题目
20.The price system is a complex network _______ the prices of all the products bought and sold in the economy as well as those of a great number of services.( )
A. | consisting of | B. | consisted of | C. | making up of | D. | made up |