一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )
The girl _____ to be a good dancer if she is well trained in an art school.
I think John will a good monitor, so I’d like to vote for him.
The Browns sent lots of invitations for their party. But because of the improper time, few people _____ it.
Ling Feng won the first prize in the national English competition and I’m glad that her efforts at last ________.
Our daughter doesn’t know what to at the university ; she can’t make up her mind about her future .