loud的副詞是aloud還是loudly

　　Charlie burped loudly.

　　查利大聲地打嗝。

　　She went straight up to the door and knocked loudly.

　　她徑直走到門前大聲敲門。

　　I knocked loudly in the vain hope that someone might answer.

　　我敲門敲得很響，希望有人應(yīng)聲，卻是徒然。

　　He shouted so loudly that the whole neighbourhood could hear him.

　　他叫得那么大聲，整條街的人都能聽(tīng)到。

　　She screamed as loudly as she could.

　　她聲嘶力竭地尖叫著。