_________it is often cold in the mountains, you need to wear warm clothes.
选项:
A:Though
B:Unless
C:As
D:Until
发布时间:2024-04-14 19:37:54
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Though
B:Unless
C:As
D:Until
You do not need to give the return processes in its entirety unless you need to comprehend the system.
B:Unless you need to understand the system,fully show the return lines.
C:Return procedures need not be shown completely if you need to realize the system.