No sooner______ a paper on his latest research than he was asked to write anothe

游客2024-10-12 33

问题 No sooner______ a paper on his latest research than he was asked to write another for a conference.

选项 A、he had finished
B、he finished
C、did he finish
D、had he finished

答案 D

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3797564.html

相关试题推荐

随机试题

最新回复(0)

Inthe1960s,medicalresearchersThomasHolmesandRichardRahedeveloped