He’s never lost a day’s work through illness. He’s as _____ as old boots.
#17960
A
strong
B
high
C
rough
D
tough
推荐题目
It was ____ to see so many ____ people in a small town. 
#18098
A
amazing; amazing
B
amazing; amazed
C
amazed; amazed
D
amazed; amazing
As most of you seem confused, now I’m going to the __________ measures.
#19394
A
content
B
abstract
C
absolute
D
concrete