The doctor advised him to have monthly check-ups _____ any return of symptoms might be detected immediately.
Aprior to
Bso that正確答案
Con behalf of
Din case
答案與詳解
為什麼答案是 B
so that 引導目的狀語子句，意為「以便症狀復發時能立即被偵測」，語法與語意皆正確。
載入中…
so that 引導目的狀語子句，意為「以便症狀復發時能立即被偵測」，語法與語意皆正確。
