问题
选择题
一What's in the pencil-case?
一There _____ a pen and three pencils in it. [ ]
A. be
B. is
C. are
D. am
答案
答案：B
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一What's in the pencil-case?
一There _____ a pen and three pencils in it. [ ]
A. be
B. is
C. are
D. am
答案：B
