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    精英家教网 > 高中英语 > 题目详情
    We are a little worried because we _____ the ground as a leader in the field of IT with the others speeding up development．
    A．are losingB．were losing
    C．lostD．have lost
    A
    考查时态：句意是：我们有点担心，其他人在快速发展而我们正在失去IT领域领导者的地位。可知是正在失去，用现在进行时，选A。
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