A: Why not try to go
B: Why not try going
C:busily prepare
D: Why try to go
5+5和5×5的意思相同.
I was ____ tired ____ I went to sleep early.
下列词语中划线的字,每对读音都不相同的一项是
英国思想家斯宾塞认为,人类社会沿着由简单到复杂、由低级到高级的过程发展,他的思想最有可能借用了( )