I'm not sure how much scholarship you will receive, but it will roughly __________your major expenses.
A:cover
B:afford
C:pay
D:charge
写出反义词
裸露——____ 扩大——____
在△ABC中内角A,B,C的对边分别为a,b,c,满足a=2,b=23,A=30°的△ABC的个数( )
请以“美丽的错误”为题写一篇不少于800字的记叙文。