---Is doing morning        a good habit?  ----Yes, it is.
#51923
A
exercise
B
exercises
C
exercising
D
exercised
推荐题目
They _______ the train until it disappeared in the distance.
#61918
A
saw
B
watched
C
noticed
D
realized
This kind of computer ________ well. It ________ out soon.
#52232
A
sells; will sell
B
sells; will be sold
C
is sold; sells
D
is sold; will be sold
She ____ tall and she ____ short brown hair.
#57544
A
is , have
B
is , has
C
are , have
D
are , has
Did you see them ____ basketball this morning? 
#57146
A
playing
B
were playing
C
to play
D
are playing
Did you        much money on the car?
#54087
A
cost
B
pay
C
take
D
spend