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485.Much to his surprise,he invited only twenty friends to the dinner,but ______ came.
A.twice as many as
B.as many as twice
C.twice as many
D.twice more than
486.The number of registered participants in this year's marathon was half ______.
A.of last year's
B.those of last year's
C.of those of last year
D.that of last year's
