“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
A. the time B. the moment
C. until D. since
“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
A. the time B. the moment
C. until D. since
B。
the moment 用作连词，意为“一……就……”，相当于 as soon as。类似地，the minute, the instant 也可用作连词，表示“一……就……”的意思。