－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
Amy likes_______．She is good at _______．
#50332
A
swims，swimming
B
swimming，swims
C
swimming，swimming
D
swims，swims
Students should pay attention to __________ the teacher in class.
#50928
A
hear
B
listen to
C
listening to
D
hearing