“ 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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East of the lake__________, one of which is twice the size of the other.
#80985
A
lies two villages
B
lie two villages
C
do two villages lie
D
two villages lie
______ that no one was ever prepared for it.
#84541
A
So suddenly did the bad news come
B
So suddenly the bad news came
C
So did the bad news come suddenly
D
Did the bad news come so suddenly
____ succeed in doing anything .
#82065
A
Only by working hard we can
B
By only working hard we can
C
Only we can by working hard
D
Only by working hard can we
So______that many parents are too worried to let their children travel alone at the beginning of the new term.
#80878
A
is the distance great
B
great the distance is
C
the distance is great
D
great is the distance