题干

John as well as the other children who      no parents down on in the school.
A.has; is looking B.have; are looking
C.have; is being lookedD.have; are being looked .
上一题 下一题 0.64难度 单项选择 更新时间:2016-06-27 05:13:30

答案(点此获取答案解析)