Thezookeeperisworriedbecausethenumberofvisitors__smallerandsmaller.Aisbecomingb,becomec.becamed.havebecome具体说明啊
2022-05-07 30次 反馈错误 加入收藏 正确率 : 100%
题目内容：
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
优质解答
选A 正在一直变得越来越少,所以用进行时
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