We showldn’t do that dangerous experiment______the teacher is with us.A、if notB

游客2023-11-09 48

问题 We showldn’t do that dangerous experiment______the teacher is with us.

选项 A、if not
B、unless
C、if
D、as long as

答案 B

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3170929.html

相关试题推荐

随机试题

最新回复(0)