A-A+

We do not have adequate______for the use of an

2022-08-06 20:04:49 问答库 阅读 181 次

问题详情

We do not have adequate______for the use of animals.
A.subsequents
B.substitutes
C.substances
D.substitutions请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:B

考点: