24.                   is still a problem. ( support)

他們是否會(huì)支持我們?nèi)允莻�(gè)問(wèn)題。

24. Whether they will support us考查主語(yǔ)從句.、根據(jù)句意中的"是否"可知，從句用whether引導(dǎo)— whether與if作"是否"講，在用法上有相同之處，也有不同之處。相同之處：whether和if都能引導(dǎo)賓語(yǔ)從句，且能用在it作形式主語(yǔ)的從句中。在以下情況，只能用whether而不能用if：從句放在句首時(shí)；直接跟有or not時(shí);在表語(yǔ)從句和同位語(yǔ)從句中；用在介詞之后，引導(dǎo)賓語(yǔ)從句；直接接不定式。

題目來(lái)源：高考丟分題英語(yǔ) > 專題訓(xùn)練 3:名詞性從句

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