题目内容

He started to work dilligently _____ he came up with the idea of hybrid rice for the first time in the 1960’s.
A.at once B.the moment C.for the momentD.in no time
B
考查短语。本题考查连词短语the moment一……就……,其它短语不可作连词,故选B。
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网