_____ in thought, he sat at the edge of the bed, with his eyes _____ on the letter in his hand.
#94454
A
Lost; fixing
B
Losing; fixed
C
Lost; fixed
D
Losing; fixing
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________, you need to give all you have and try your best. 
#90062
A
Being a winner
B
To be a winner
C
Be a winner
D
Having been a winner
Every minute should be made the most of ________ our lessons well.
#93624
A
to study
B
studying
C
to studying
D
studied