I think in the universe in which we are not alone我认为在宇宙中我们并不是孤单的
So far I haven't received a letter from father到现在为止我还没有收到爸爸的来信
Writing this essay has cost me half an hour.写这篇作文已经花了我半个小时了
Your father is doing what你爸爸在做什么呢
My bike is broken. This is the reason why I was late this morning我的自行车坏了。这就是我今天早上迟到的原因