用苯胺制备乙酰苯胺时,最常用的酰化试剂是（）,另外还可以用的试剂是醋酸酐和乙酰氯

the following sentences does NOT indictebility Is therenything I cn do for you B．I’ll beble to spek Chinese innother two months. C．Where cn he be D．t tht time I could red without spectcles.A．Is there anything I can do for youB．I’ll be able to speak Chinese in another two months．C．Where can he beD．At that time I could read without spectacles．