People in the west make_____a rule to buy Christmas presents for their relatives and friends.
#92601
A
that
B
the thing
C
this
D
it
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 Accustomed to ______ the steep mountain, he had no difficulty reaching the top. 
#92617
A
climbing
B
climb
C
having climbed
D
have climbed
________ enthusiastic about drawing.
#93418
A
It seems to be
B
He seems that
C
It seems that
D
He seems to be