Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.                                   
#19805
A
surely
B
likely
C
probable
D
possible
推荐题目
Only then did he _______ the effects of his action.
#18916
A
aware
B
aware of
C
become aware
D
become aware of
_______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