Do you have ping-pong ball?do为A,you为B,have 为C,ping-pong为D.改错.
问题描述:
Do you have ping-pong ball?do为A,you为B,have 为C,ping-pong为D.改错.
答
C
在前面加一个a 为a ping-pong
祝你快乐:)
答
D 改为 a ping-pong 缺少冠词