It is important for us _____ our English. 
#54004
A
improving
B
improved
C
to improve
D
improves
推荐题目
---What’s the matter ________ your sister? ---She has a________ cold.
#53464
A
with; bad
B
on; bad
C
with; badly
D
on; badly
—Why do you like __________ English?— Because I can __________ the American life
#60869
A
learn; learn about
B
learning; learn about
C
to learn; tell about
D
learning; tell about