几道英文选择题,寻求帮助

来源:百度知道 编辑:UC知道 时间:2024/05/17 21:54:11
1.I happened to ________the news on TV.
A.know about B.learn about C.know D.learn
2.As soon as _______my homework,I'll have a hot bath
A.I have finished to do B.I finish to do
C.I have finished doing C.I will have finished
告诉我为什么,十分感谢~~~
可是第一题答案是D耶,为什么不好用其他选项啊??还有主将从现是什么啊,在什么情况下用啊~

1:C 得知,知晓 直接用
2:B 主将从现

1 D know 只有知道了解的意思,而learn有听到,获悉的意思
happen to learn偶然获悉,learn更加准确
know about 知道..., 了解..., 听说过...
learn about 学习
2 C finish doing
主句将来时,从句现在时
在状语从句中使用