they began to climb the mountain after they had bought all the food and drink 改成否定句）

they began to climb the mountain after they had bought all the food and drin they began to climb the mountain after they had bought all the food and drink 改成否定句） They tired to climb the high mountain,h____,they failed. as soon aswe arrived there ,we began to climb Mount Tai什么意思 连词成句:climb,to,moutain,are,the,going,they(?) they are going to climb the mountain是什么意思 They want to _(climb)up a ladder. They needed to climb up the tree with (提问)（） （）they need to climb up the tree with? They planned to climb the rocks.对to climb the rocks提问 ____ did they plan ____ ____? After ＿(test) the machine,they began to work. They stopped_____(play)football because it began to rain It began to rain.They stopped ___(go)home they wre on ____ way to school when it began to rain.( they )应是they were on ____ way to school when it began to rain (they) They had to climb into the room through the window.对climb into the room through the window.提问 英语划线句子提问We had had the toys for ten years before we gave them to the child.画线：for ten yearsthey began to climb the mountain after they had bought all the food and drink（用 until 改写句子） they (know)each other since they (begin) to work in that factry.请问正确时态是什么呢?1.knew.began.2.have known.began.3.had konwn.began. it began to rain,句中it如何理解?麻烦好心人回答.while they are talking it began to rain. They climb trees ____(quick).