---Who cleaned the classroom?---Mary ________.
#41612
A
can
B
does
C
did
D
is
推荐题目
I _______ the charity show on TV when the telephone rang.
#42682
A
watch
B
watched
C
am watching
D
was watching
I didn't hear you because I the news on the radio.
#42124
A
listen to
B
am listening to
C
listened to
D
was listening to
--- Where is Mr Brown? --- In the garden. He ______ the flowers.
#41608
A
watering
B
waters
C
is watering
D
watered