问题补充:
— When you to learn to ride your bike?
— I really can’t remember the time.
A. do; begin
B. did; begin
C. have; begun
D. had; begun
答案:
A. do; begin
(答案→)B. did; begin
C. have; begun
D. had; begun
解析:本题根据语境看判断是一般过去时,故选B
时间:2018-11-17 04:59:37
— When you to learn to ride your bike?
— I really can’t remember the time.
A. do; begin
B. did; begin
C. have; begun
D. had; begun
A. do; begin
(答案→)B. did; begin
C. have; begun
D. had; begun
解析:本题根据语境看判断是一般过去时,故选B