with,did,go,Sunday,the,who,Sam,last,to,beach 连词成均
问题描述:
with,did,go,Sunday,the,who,Sam,last,to,beach 连词成均
答
Who did the homework for Sam before he has to go to the beach last Sunday?
答
who did Sam go to the beach with last Sunday?
答
who did Sam go to the beach with last Sunday?
====with whom did Sam go to the beach last Sunday?