问题
选择题
We need one ping-pong ball and two _________.[ ]
A. ping-pong bat
B. ping-pongs bat
C. ping-pong bats
D. ping-pongs bats
答案
答案：C
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We need one ping-pong ball and two _________.[ ]
A. ping-pong bat
B. ping-pongs bat
C. ping-pong bats
D. ping-pongs bats
答案：C