I ________ a topic for the composition,
题型:选择题
问题:
I ________ a topic for the composition, but haven’t decided yet.
A.will think about
B.have been thinking about
C.had thought about
D.was thought about
I ________ a topic for the composition, but haven’t decided yet.
A.will think about
B.have been thinking about
C.had thought about
D.was thought about