---- is good evercise.climbing hills is climbing the hill is

---- is good evercise.climbing hills is climbing the hill is Kitty is climbing _____ the hills Mike is climbing the hill ,not. -----it is climbing the hill!A 1.Climbing the hill is ________. kitty is climbing up the hill.对the hill提问 Climbing hills are/is good for your health.这句用are还是is,或者是别的 Fall is a good time for climbing hills 同义句转换 急用! climbing up the stairts is a good exercise是什么意思 climbing m____ is good for our health. jack,with his father is climbing the hill为什么用is不 But of all the things people do,climbing hill is the most po