问题
选择题
The head of the company promised to deal with matters of this sort _____he returned to his office.
A.until
B.while
C.by the time
D.the moment
答案
答案:D
考查连词,until 直到,while 当什么时候,by the time 到什么时候,the moment 一……就,句意:公司的领导答应他一回到办公室就处理这种事情。所以选D。