D were seated
A sit 是不及物动词.这里是不是该用 sit down
B set 作动词时是放置物品或是某物,某人处于某种状态,没有就座的意思.
C seat 的特点是作动词时为及物动词,后面必须有宾语或用其被动语态
如：Be seated,please.请坐.（很礼貌的用法）
seat sb.某人就座（有安排,使的意味 ） seat yourself ,seat him
When all those present(到场者)__ he began his lecture.A.sit B.set C.seated D.were seaed
When all those present(到场者)__ he began his lecture.A.sit B.set C.seated D.were seaed
英语人气：409 ℃时间：2020-04-14 00:32:50
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