Text A Choose the best answer to each of the following questions according to what is stated or implied in the text.The reasons why manhole covers are round rather than square are all of the following EXCEPT .
A、a square cover may not fit the hole;
B、a round cover cannot fall into its hole;
C、a square cover may fall into its hole;
D、it is easy to move a round cover
发布时间：2025-02-16 06:58:27
