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  • One of the most important question they had to consider was ____of public health.

    One of the most important question they had to consider was ____of public health.
    A.what B.this C.that D.which
    為啥this不行
    英語人氣:673 ℃時(shí)間:2019-11-02 05:41:19
    優(yōu)質(zhì)解答
    C
    that of public health是表語從句,this不可以做表語從句的引導(dǎo)詞的.that of public health是表語從句,咋沒有先行詞呀?并不是所有的從句都要先行詞的。這句話主語:One of the most important question they had to consider系動(dòng)詞:was表語(從句):that of public health
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