—WhendidtheBritishexplorerJamesCookgettoAntarctic?  —No...

问题详情：

— When did the British explorer James Cook get to Antarctic?  

— Not until the late 18th century ______the Antarctic Circle, but he never saw land.

A. did he cross                B. he crossed       C. had he crossed    D. he had crossed

【回答】

A

知识点：倒装与省略

题型：选择题