climbing hills ____of great help to our health A.was B.were C.is D.are 选哪一个?of做什么成分?

Kitty is climbing _____ the hills he,does,hills,like,climbing（连词成句) we were all t_ after climbing the hills ---- is good evercise.climbing hills is climbing the hill is 选择哪一个为什么? Climbing hills is of great help to our health.为什么用of? Climbing hills _ of great help to health.A.isB.areC.wereD.be climbing hills ___of great help to out healtha.was b were c is d are Fall is a good time for climbing hills 同义句转换 急用!谁会啊! 急用! Climbing hills are/is good for your health.这句用are还是is,或者是别的 climbing climbing But of all the things people do,climbing hill is the most popular.同一句转换.=But climbing hills is more popular than ___ ___things people do. it's a good time to climb hills 可以等于it's a good time for climbing hills _It's a fine day today._Yes.It's a good time__________a picnic.A.for having B.to have climbing hills ____of great help to our health A.was B.were C.is D.are 选哪一个?of做什么成分? Which does your father enjoy____his weekend,fishing or climbing hills?A spendingB spengC to spendD spends他上面答案说是C但不知为什么, 根据短文,回答问题111111111 Benny is a naughty boy,he doesn't like running.He likes climbing hills.He often does it on Saturday with his friend Lucy.They are not in the same class.Lucy likes dancing and painting.She likes climbing hills,too.He simile和metaphor的区别,有句子Climbing hills is a great teacher.这是用了什么修辞手法?是simile还是metaphor?The world is a stage.这个是Simile，也是用is的，我需要系统的回答。 ____o my god ._________Dear,Apprentice..____________________=急,翻译中文