问题详情:
This missile is designed so that once_____ nothing can be done to retrieve it.
A. fired B. being fired C. they fired D. having fired
【回答】
A
知识点:相似 相近词比较
题型:选择题
问题详情:
This missile is designed so that once_____ nothing can be done to retrieve it.
A. fired B. being fired C. they fired D. having fired
【回答】
A
知识点:相似 相近词比较
题型:选择题