A、He studied the designs of various clocks.B、He did experiments on different ma

游客2024-01-21  4

问题

选项 A、He studied the designs of various clocks.
B、He did experiments on different materials.
C、He bought an alarm clock with a pig face.
D、He asked different people for their opinions.

答案 D

解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3382346.html
最新回复(0)