It is important for us _____ our English. 
#54004
A
improving
B
improved
C
to improve
D
improves
推荐题目
Your idea    interesting.
#61262
A
listens
B
hears
C
sounds
D
looks
It ____about 15 minutes ____the theatre.
#62303
A
take, walk
B
takes, to walk
C
takes, to walk to
D
take , to walk
---My hobby is       old coins, what about you?---In my free time, I like      in the park.
#62630
A
collected; painting
B
collects; to paint
C
collecting; to paint
D
collect; painting