__or you’ll have a bad cold a.if you put your sweater b put on your sweater c.putting on your sweater d.To put on your sweater 请详解 并说明理由,

__or you’ll have a bad cold a.if you put your sweater b put on your sweater c.putting on your sweater d.To put on your sweater 请详解 并说明理由,
__or you’ll have a bad cold
a.if you put your sweater b put on your sweater
c.putting on your sweater d.To put on your sweater
请详解
并说明理由,

__or you’ll have a bad cold a.if you put your sweater b put on your sweater c.putting on your sweater d.To put on your sweater 请详解 并说明理由,
选B.
这是一种句型：祈使句+or或and引导的句子.这里面祈使句只有B,所以选B.
翻译为：穿上毛衣否则你会感冒.

B
put on your sweater
表示比较强硬的语气，有一些命令的口气
穿上你的毛衣！不然你会感冒

b
穿上毛衣否则你会感冒的

B 从or可以看出是祈使语气，要用一般过去式。