____ a mobile phone can you ring __整句意思

____ a mobile phone can you ring ___ you want to talk with anywhere.
A. Using; whoever
B. Only on; whoever
C. With; whoever
D. Using; whomever

Today mobile phones can take pictures ____ a camera. (a^p-a)%p a ____ ship ____ a week A:Hello!____ I ___Ann? 在C语言程序中，可以用做变量名的是____ A) 1e5 B) a1 C) int D) *p p.s;p.o;p.c;p.a......是什么意思？ p.a.是什么意思？ P-A-C是什么意思? a[i]=*p++