Operationswhichleftpatientexhaustedandinneedoflongperiodsofrecoverytimenowleavethemfeelingrelaxedandcomfortable.那些以前使病人疲惫不堪并需要很长时间康复的手术现在已经使病人感到轻松、舒适了.lef

Question

Operations which left patient_exhausted and in need of long periods of recovery time now leave them feeling relaxed and comfortable.那些以前使病人疲惫不堪并需要很长时间康复的手术现在已经使病人感到轻松、舒适了.left在这里有什么特殊用法?sb
I have battled with my_conscience_whether I should keep the extra money given to me or return it to the seller.
whether是方式状语吗?
At first sight it looked like a simple accident,but later the police became doubtful。这个句子能At first sight 是方式状语吗？还是什么

Answer 1

1. Left: 是指遗留,留下的意思.但是这里是指以前,或已经留下的（注意是过去形式）
2. 是引导状语从句的.