I got a B in my Physics exam.
我物理考试得了B。
Better than me. I only got a D. My mother must be mad about me.
比我好，我只得了D。我妈妈一定会被我气疯的。
The teacher is so strict. I used to get Bs and Cs.
这个老师太严了，我以前总是得B 和C 。
It's not his problem. We ought to study hard.
不是他的问题，我们应该努力学习了。
