________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
#98405
A
To be tried
B
Tired
C
Tiring
D
Being tired
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____several times,but unfortunately,the boy still couldn’t smooth away the problem on his own.
#98193
A
Having been explained
B
The problem having been explained
C
The problem had been explained
D
Although the problem had been explained
The school required ____.
#98657
A
rebuilding
B
to be re uilt
C
to have rebuilt
D
rebuilt