问题
选择题
— How many _____ are there in the playhouse?
— 20 boys and 21 girls. [ ]
A. students
B. student
C. apples
答案
答案：A
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— How many _____ are there in the playhouse?
— 20 boys and 21 girls. [ ]
A. students
B. student
C. apples
答案：A