It was when searching for the lost book
题型:选择题
问题:
It was when searching for the lost book whose cover was missing ______ a secret letter addressed to his mother.
A.what he found
B.until he found
C.that he found
D.he had found
It was when searching for the lost book whose cover was missing ______ a secret letter addressed to his mother.
A.what he found
B.until he found
C.that he found
D.he had found