A．File idea occurred to him when he went shopping yesterday.B．He got the idea when he was on his way back yesterday.C．He had the idea when he was lying in bed last night.D．He got the idea on his way to work yesterday.
A．File idea occurred to him when he went shopping yesterday.
B．He got the idea when he was on his way back yesterday.
C．He had the idea when he was lying in bed last night.
D．He got the idea on his way to work yesterday.