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The zoo keeper is worried because the number of visitors__smaller and smaller. A is becomingb,becomec.becamed.have become具体说明啊
题目详情
The zoo keeper is worried because the number of visitors__smaller and smaller. A is becoming
b,become
c.became
d.have become
具体说明啊
b,become
c.became
d.have become
具体说明啊
▼优质解答
答案和解析
选A 正在一直变得越来越少,所以用进行时
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