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WearethreemembersofstaffduetoillnessA.lackingB.lackedC.lackD.lackfor

题目详情
We are___three members of staff due to illness A.lacking B.lacked C.lack D.lack for
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答案和解析
选A
We are lacking three members of staff due to illness.
lack
vi.(不及物动词)还可作“缺乏,短少;不足;需要.常用进行时