The four Grand Slam tennis tournaments refer to Wimbledon, the Australian Open, the French Open and the China Open.
The four Grand Slam tennis tournaments refer to Wimbledon, the Australian Open, the French Open and the China Open.
How many Grand Slam tournaments are there in total? A: 2 B: 3 C: 4 D: 5
How many Grand Slam tournaments are there in total? A: 2 B: 3 C: 4 D: 5
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