she saw that they had sat down中的that是连词还是从句的什么词?能帮我分析下吗?

英语词汇题（附解释）when she saw that they were all safe ,she could not( )herself and break into tears of reliefAconfuse Bcontain Cconfirm Dconsult she saw that they had sat down中的that是连词还是从句的什么词?能帮我分析下吗? 英语翻译today l saw him in mobie phone and more beauty chat record love spirit ah .ha ha.found that man not a special love. When she caught up with them,she saw that they had sat down and were going through the contents of the bag,so she ran straight at them.为什么用straight 而不用straightly 完成单词,She said that she saw the t( )traffic accident happen that day i saw that she was doing her homework at that time.同义句i saw her homework at that time. The face that she saw was ____ of an old man 为什么填THAT They are sure that she will win.为什么有that They saw that she had to have blood.had to have 是什么时态,还是因为是had to do的用法,另外,还在阅读书上看见两个have have连用的情况,请问这是什么用法, 解释这句话在文中的意思,在线等!原文:Spider, Hare and the Moon Moon was sad. She had spent many years looking at the people on Earth and she saw that they were afraid. They were afraid of dying. To make them feel better she decided to I saw that they were watching TV in the hall同义句：I saw _ _ TV in the hall T saw she played the piano 的同义句?T saw her _____ ______piano at that time she saw a f_______. She saw no one . We saw that they swam just now的简单句是下面的哪一个:We saw them swim just now.We saw them swimming just now. She couldn’t have believed it,but that she saw it.这句话对吗?我认为应该是She couldn't have believed it,but that she had seen it. The face that she saw was that of an old man中的第二个that的用法是? I saw ( ) playing in the street at that timeA them B they C their D theirs