哌替啶的镇痛作用机制:初三英语

来源:百度文库 编辑:高考问答 时间:2024/05/15 00:43:43
John saw some people _________into the house _______a cold winter night.
A break;in B break;on C broke;in D broke;on

B
看见全过程用动词原形break
具体日期时间前用on