he seems very pleased that he have come请问这的that引导的是什么从句?

He seems very tired. 改为同义句 He seems very nice同义句（1）He seems( ) ( )very nice. (2) ( )( )( )he is very nice. he seems very w---about what he has done he seems very happy 同义句 he seems ___ ___ ___ It seems that he is very happy today等于什么 He seems very tired 的同义句是什么 it seems that he is very handsome.同义句 He seems very sad.的两个同义句 求急! he seems to be very busy.是不是主系表结构 He seems very polite.（改为同义句）________ ________ ________he________ very polite. 英语翻译1.He seems to be very happy.2.A number of students visit the exhibition last week.3.They stop people from doing dangerous things4.Please look after the little child.怎么用英语翻译? he seems very pleased that he have come请问这的that引导的是什么从句? He seems to be very happy.同一句转换：_____ seems _____ _____ he _____ _____ happy.不好意思，你们都没答对It seems as if he is very happy. IT seems that he is very tired.是主语从句还是表语从句 It seems that he's very polite.(改为同义句） ___seems___ ____very polite. It seems that has been to england because he speaks very good english是什么意思? He seems u____to swim he seems to worried,