Ioftenplayping-pong_____theweekend.
A . in B.under C.on
【答案】C
【解析】on the weekend 是固定搭配。
题目：Ioftenplayping-pong_____theweekend.
关键字：
Ioftenplayping-pong_____theweekend.
A . in B.under C.on
【答案】C
【解析】on the weekend 是固定搭配。