数列1，3，6，10，…的一个通项公式是（ ）
I can’t catch up with the fashion, because the clothes style _______ all the time.
The building _______, I can’t stand the noise.
Nowadays science and technology _______ so rapidly.
My dictionary _______, I have looked for it everywhere but still _______ it.
Isshe _______ something?
粤公网安备 44130202000953号