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Math is difficult interesting．
A．or B．and C．but
He likes fish ________ beef.
[ ]
A
B
C
D
Roller skate is dangerous ________ exciting.
He has no brothers _____ sisters.
A．but
B．and
C．or
D．/
I don't like strawberries ________ tomatoes．
A．or B．and C．with D．but