Be ________. Make sure not to make the same spelling mistake next time. 
#46885
A
helpful
B
careful
C
useful
D
peaceful
推荐题目
Tim  doesn’t  study ____as  his sister does .
#44254
A
very hard
B
harder
C
so hard
D
hard enough
It is______ nice of you to say so.
#44594
A
truly
B
true
C
really
D
real
Li Hua’s shoes are as _______ as Zhang Hui’s.  
#47593
A
cheap
B
cheaper
C
the cheaper
D
the cheapest