Smartphones __________people’s daily lives more convenient.(A) are used to make (B) have been use

問題詳情

20.Smartphones __________people’s daily lives more convenient.
(A) are used to make
(B) have been used making
(C) used to make
(D) are using to make

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增

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