—Mum,  why have us eat much vegetable? —Because it is _____ to our health. 
#19467
A
benefit
B
benefited
C
beneficial
D
benefits
推荐题目
_______she is not so cheerful________she used to be?
#18215
A
How it is that;as
B
How is it that;as
C
Is it why;that
D
Why is it that;what