问题
选择题
When my parrot is hungry, he _______ on the cage door. [ ]
A. sings
B. miaows
C. hides
D. knocks
答案
答案：D
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When my parrot is hungry, he _______ on the cage door. [ ]
A. sings
B. miaows
C. hides
D. knocks
答案：D