___________Jimmy knows he may fail, ___________he will still try.
#57096
A
Though; but
B
Though; /
C
But; though
D
But; /
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__________he is ill, __________he goes to school. 
#56079
A
Although, but
B
/, /
C
Although, /
D
But, although
 —     times did you do exercise last week?   — Twice.
#56327
A
How often
B
How much
C
How many
D
How long