— I haven't seen your uncle for quite a
题型:选择题
问题:
— I haven't seen your uncle for quite a long time.
— He is busy ______ a novel. [ ]
A. write
B. writing
C. written
D. to write
— I haven't seen your uncle for quite a long time.
— He is busy ______ a novel. [ ]
A. write
B. writing
C. written
D. to write