问题
选择题
We found some _______of rice near the hole . The mice may have stored a lot of____in the hole.
A．grain;grain
B．grain;grains
C．grains; grains
D．grains;grain
答案
答案：D
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We found some _______of rice near the hole . The mice may have stored a lot of____in the hole.
A．grain;grain
B．grain;grains
C．grains; grains
D．grains;grain
答案：D