Marry,i have got a new cell phone number!oh,hold on.i'll put it down just( ) a:in deed b:in casec:in time d:in use
问题描述:
Marry,i have got a new cell phone number!oh,hold on.i'll put it down just( ) a:in deed b:in case
c:in time d:in use
答
b 以防万一
答
选B.表示“以防万一”.这是一个固定搭配