Mr. Smith ______ a grammar book meant fo
问题:
Mr. Smith ______ a grammar book meant for senior high school students and will almost finish it.
A.has been writing
B.has written
C.was writing
D.has been written
Mr. Smith ______ a grammar book meant for senior high school students and will almost finish it.
A.has been writing
B.has written
C.was writing
D.has been written