问题详情:
You’d better take down all the key points __________ the memory is still fresh in your mind.
A. unless B. while C. before D. until
【回答】
B
知识点:连词
题型:选择题
问题详情:
You’d better take down all the key points __________ the memory is still fresh in your mind.
A. unless B. while C. before D. until
【回答】
B
知识点:连词
题型:选择题