你好

填 isn't able to

保證準(zhǔn)確率~

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祝你學(xué)習(xí)進(jìn)步,更上一層樓!

不明白請(qǐng)及時(shí)追問(wèn),滿意敬請(qǐng)采納,O(∩_∩)O謝謝~~

He_______(不得不）go to the doctor._______I go now?(必須）No，you_______(不必）最后了。。如果你追問(wèn)我，我請(qǐng)你就只追問(wèn)我一個(gè)。當(dāng)然你也可以追問(wèn)別人，當(dāng)時(shí)不要同時(shí)追問(wèn)多人，不然到時(shí)你采納誰(shuí)？？has toMustneedn't