________ and short of breath,Andy and Ruby were the first to reach the top of Mount Tai.
#18830
A
To be tired
B
Tired
C
Tiring
D
Being tired
推荐题目
I’d be___, if you could give me an early reply. 
#20743
A
pleasant
B
grateful
C
satisfied
D
helpful
 _____ shouldn’t have part-time jobs because they are too young.
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A
Thirteen years old
B
Thirteen-year-old
C
Thirteen-year-olds
D
Thirteen year olds