Listen! The girls ________ in the next classroom. [ ]A. sing B. is sing C. are singing D. sings -八年级
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题目简介
Listen! The girls ________ in the next classroom. [ ]A. sing B. is sing C. are singing D. sings -八年级
题目详情
[ ]
B. is sing
C. are singing
D. sings
答案