“ Although ,” the boy said , “ _______ over and over , the maths problem remained confusing to me ” . 
#81999
A
explained
B
explain
C
explaining
D
having explained
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Only through experiences of trial and suffering _____, and success achieved.
#83406
A
the soul can be strengthened
B
can the soul be strengthened
C
strengthened the soul can be
D
can the soul strengthened
 Not until midnight_____back from work, drunken .
#84227
A
he did come
B
he came
C
didn't he come
D
did he come
If Joe' s wife goes to the party, _______.
#81146
A
so does he
B
so will he
C
he will either
D
either he does