题目内容
14._____ has been announced that Chinese tennis star Li Na is to retire because of injuries.( )A. | That | B. | What | C. | Which | D. | It |
分析 已经宣布,中国网球明星李娜因为受伤将退休.
解答 答案:D.根据真正主语that Chinese tennis star Li Na is to retire because of injuries可见空白处应为形式主语,纵观选项,唯有it可担当形式主语,故选D.注意区分主语从句B选项what…is that就对了.
点评 本题考查it 形式主语,结合语义的基础上便能选出正确答案,同时要注意与主语从句不要混淆.

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