Though hs is old,but he is still working hard 有什么错误?

Though hs is old,but he is still working hard 有什么错误? He is very old,but he still works very hard.(同though改写）急! ( )she is very old,( )she can still work eight hours a dayA.because ,so B.though,but C.as,yet D.though ,yet ( ) SHE IS VERY OLD ． ( ) SHE CAN RUN AS FAST AS ME ． 填啥A　．although　but　B．though　but　C．＼　and　D．though　＼ Mr Brown is vrey healthy ( ) he is 80 years old Mr Brown is vrey healthy ( ) he is 80 years old A BUT B though c so 选什么么 为什么 讲讲 我是菜鸟 The history of writing is very old,____.A but not older than the language B but it certainly isn’t so old as the language C though not so old as language itself D though language itself is even older 为什么选C?恕我愚昧, Even though he is very old,he can work.改错 your teacher___(look)young though he is sixty years old. Mr Brown is vrey healthy ( ) he is 80 years old ? A BUT B though c so 选什么么 为什么 讲讲 我是菜鸟Mr Brown is vrey healthy ( ) he is 80 years old ? A BUT B though c so 选什么么 为什么 讲讲 我是菜 although和BUTHE CAN DRAW VERY WELL（）HE IS ONLY A （）BOYA THOUGH FOUR-YEAR-OLD B BUT FOUR-YEARS-OLDC ALTHOUGH FOUR-YEARS-OLD此题最多2个答案.说出答案时要写为什么这个答案 ___it is raining hard ,______they go on working.A.though,but B.though,/ C.although,but D.but./ 英语单选（though；but）_____ it is dark,_____ the workers are still working.A.Though; butB.But; thoughC.Though; andD.Though; / Though it is an old machine,it works well.改同意句 __ __ an old machine,__ it works well.如果an old machine前面填although it's 那后面填什么,如果it前面填but,那an old machine前面填this is ______it is getting dark,____the farmers are still eorking in the fieldA,though;but B,but;though C,though;/ D,but;/ _______he was old,_______he still worked very hard.横线上填哪一个选项?为什么?A:Though,/ B:Although,but C:Though,but D:Although,/ Though but区别 My grandmother is old,but your grandmother is older. my coat is old but my sister's is n-