Helen ______ a book about China when I w
题型:选择题
问题:
Helen ______ a book about China when I went to visit her last year but I haven't read it yet. [ ]
A. has written
B. wrote
C. had written
D. was writing
Helen ______ a book about China when I went to visit her last year but I haven't read it yet. [ ]
A. has written
B. wrote
C. had written
D. was writing