---Who cleaned the classroom?---Mary ________.
#41612
A
can
B
does
C
did
D
is
推荐题目
I didn’t hear you, because I ________ yesterday’s football game. 
#41544
A
watch
B
am watching
C
watched
D
was watching
--Do you know where Mr Brown is?---He _______ Beijing for two days. 
#37919
A
has been to
B
has gone to
C
has been in
D
went to
What’s he doing?   He    Tv.
#40597
A
watch
B
watches
C
watching
D
is watching .
As they get older, they continue     the hobby.
#42574
A
do
B
doing
C
did
D
are doing