52单词网 > 高中英语 > 高中英语题库 > Several weeks had gone by I realized the painting was missing. [ ] A.as B.before

Several weeks had gone by I realized the painting was missing. [ ] A.as B.before

来源:网络 时间:
Several weeks had gone by I realized the painting was missing. [ ] A.as B.before

Several weeks had gone by ________ I realized the painting was missing.

[]

A.as

B.before

C.since

D.when

试题答案

答案:B