-Have you seen Mr. Black these days, Jack?-Yes, I met him when I ________ in the street yesterday.
#49575
A
walked
B
was walking
C
have walked
D
is walking
推荐题目
It’s good  __________  your health_________.
#48980
A
for, to drink milk
B
for, to drink a milk
C
of , drink milk
D
of , to drink milk