good,they,climbing,are at连词成句

They had a good time climbing up to the top of the hill. good,they,climbing,are at连词成句 they are climbing trees climbing is good for health They had( )climbing the mountain it is a good beginning to help those who have trouble climbing stairs climbing up the stairts is a good exercise是什么意思谢谢,帮忙! Fall is a good time for climbing hills 同义句转换 急用!谁会啊! 急用! Let's go _____.a.climb b.climbing c.climbs Good idea. look,they----a good time,-----they They have a good time.( climbing m____ is good for our health. they trees climbing are .连词成句, they are going to go mountain climbing climbing climbing --Let's go climbing,( --Good idea!A shall we B will you C won't you D.don't we. they're good( ) 1.climbing 2.climber 3.climbers请在括号里填好,是1、2、3里的那个,谢谢