----- Why do you often listen to the radio?
---- To get some ___________.
A. information by air B. informations in the air
C. information on the air D. informations on the ai
昨日习题答案：
The water started （ C. to rise ）last night, and soon the whole village was flooded.
句意：昨晚雨水开始上涨，不久整个村庄都被淹没了。
start to do sth 主语是无生命的事物，而不是人时 start 通常用 to do sth 表示“开始去做某事”，事情还未发生，而start + ed 表事情已经发生。