A. of B. to C. for D. on
A. two-threes B. two-third C. two-thirds D. two-three
A. since B. once C. if D. but
A. financial B. political C. mental D. physical
A. 高频带 B. 中频带 C. 全部频带 D. 低频带
微信支付 
支付宝支付