问题:
With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.
A.doing
B.did
C.have
D.do
With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.
A.doing | B.did | C.have | D.do |
参考答案: