10.Professor James will give us a lecture on the Western culture,but when and where ____yet.
A.hasn't been decided
B.haven't decided
C.isn't being decided
D.aren't decided
正确答案是A
10.Professor James will give us a lecture on the Western culture,but when and where ____yet.
A.hasn't been decided
B.haven't decided
C.isn't being decided
D.aren't decided
正确答案是A