用although,though,but将上面是两个句子合并成一句【帮帮我】

用although,though,but将上面是两个句子合并成一句【帮帮我】
The trip was hard work.It was a valuable experience for me
Sam did quite well in the exam.He was unprepared
Linda still apares time to help people.She is always very busy
She was nervous.She kept getting the questions righ
Simon has already made great progress in his studies,he works really hard
Tony found it difficult to foreigners in English.He knew his English was good
It was Sunday.My mother got up ear as usual
She decided to go abro to further her studies .She was not well prepared
I coulg hardly understand what he was saying .He was reading loudly
Milk is good for breakfast .I perfer orange juice
My grandpa is very old.He still does housework every day
I love climbing.It is a bit dangerous