Aids is said----- the biggest health challenge to both men a

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Aids is said_____ the biggest health challenge to both men and women over the past few years.A.that it is B.to be C.that it has been D.to have been

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2026-04-07 23:54:01

据说…… 有两种表达法:1 sth is said to be 2 It is said that+从句又句中有明显的暗示:over the past few years 固定用完成时。所以选D。C 应该为:It is said that aids has been the biggest health challenge to both men and women over the past few years。

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    2026-04-07 23:54:01

    据说…… 有两种表达法:1 sth is said to be 2 It is said that+从句又句中有明显的暗示:over the past few years 固定用完成时。所以选D。C 应该为:It is said that aids has been the biggest health challenge to both men and women over the past few years。

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