She looked forward to the letter which /that came at last.的主语是什么?

一道关于完成时的英语选择题She couldn't go camping because she caught a cold.It was really a shame.She ____to it.A.had been looking forward B.has been looking forward C.had looked forward D.has looked forward 选哪个?为什么?不确定 She looked forward to the letter which /that came at last.的主语是什么? The news she looked forward to_____at last.A.come B.coming C.comes D.came She looked forward to his ____ back home as much as he to ______ her. she looked t her book before the examinationshe looked t_____ her book before the examination The woman looked (Worry)because she couln'tThe woman looked (Worry)because she couln't find her car 能不能从以下两个例句中比较look forward to 的用法?The letter she looked forward to came at last.I am looking forward to visiting your country in the near future. 所给词的适当形式填空she wanted the man she looked forward to ———（stay）with her 这个.还要分析句子结构! she looked around She looked very___(worry). 翻译句子：After all,she looked forward to his coming to show her interesting things,like how to turn an old sock into a doll I look forward to----(invite)to her birthday party,but to my disappointment,she didn't. Did you have the photos I looked forward to ____me i haven't received them.A :sent B:send C:Sending D:be sent 为啥是A呢? The letter I____hasn't arrived yetA was looking foeward toB am looking forwardC haved been looked forwardD have been looking forward to 英语翻译the fact that she looked like a sensitive,friendly girl didn't matter. She looked around the ___ school,but can't find it anywhere the letter she looked forward to A、coming at last B、came at last 请问后面填哪一个?我感觉这句话有the letter she looked forward to A、coming at last B、came at last 请问后面填哪一个?我感觉这句话有问题啊? 高一必修3英语：The letter i（ ）hasn‘t arriwed yetA.was looking forward toB.am looking forwardC.have been looked forwardD.have been looking forward to