F____ they climbed up the top of the mountain.

F____ they climbed up the top of the mountain. hill,they,climbed,the,up (.) They f____ to say 'thanks' hill,they,climbed,the,up（．） they will never f____ the young man They usually help the customers f____ what they want. They are growing wheat,they are f____（首字母填空） then,climbed,they,home,mountain,came,the,and(.)连成一句话 hill,they,climbed,the,up.连词成句, U.S.forces killed Iraqi preparing wedding f____. Because these children f____ on rice,they are often given f____ made of rice By the time i——back they——up ten metres.A came.have climbed B came.had climbedC come.have climbed D had come.climbed They f____ arrived home at 11o'clock last night F____,they decide to ask the policeman for help. they will help us at home,in f____. They had a short meeting and began to ( )it when they climbed up the mountains. by the time I came back they had climbed up..by the time I came back they had climbed up ten metres现在完成时的结构不是has/have加动词过去分词么?为什么不用have climbed? as they climbed higher,the air became cooler.怎么翻译?as 的词性是什么,急用,