What          at that time ? ---Playing football.
#39891
A
did you do
B
do you do
C
were you doing
D
are you doing
推荐题目
As time _________,we know each other better.
#38826
A
goes by
B
passes by
C
went off
D
going by
_What is Mom doing now? _She______in the kitchen for us.
#42056
A
cooks
B
is cooking
C
cooked
D
will cook
 There      serious air pollution if people use more and more cars.
#36558
A
has
B
will be
C
will have
D
are going to be
 —Where is Jack? —He _________ basketball on the playground. 
#38025
A
plays
B
is playing
C
is going to play
D
play