People kept in touch with their friends and relatives far away mainly by letter or telegram 最后的by letter or telegram 为什么不用复数形式?不能用还是都可以

in the past ,people kept in touch mainly （by letter）对划线部分提问people mainly kept in touch in the past? kept in touch with等于什么 He kept in touch with people with a mobile phone用with还是on是with a mobile phone还是on a mobile phone The old man have ------ his relatives since he left the hometown.A kept up with B kept touch C kept in contact with D kept on with They lived in different cities,but they ____for a long time.A.keep in touch B.kept in touchC.has been out of touchD.has been out of touch是否答案应为has kept in touch People kept in touch with their friends and relatives far away mainly by letter or telegram 最后的by letter or telegram 为什么不用复数形式?不能用还是都可以 可以说I haven't kept in touch with sb for a long time kept in touch with relativesor friends mainly by sending letters的翻译 At last,the mother ___ the little boy ___ the net bar.A.leave...from B.kept...from C.kept...off D.kept...in touch withB or why? At last, the mother_____ the little boy _____the net bar.A) leave .. .from B. kept... from C) kept.. .off D) kept... in touch with 翻译：While Leonev was outside the ship,he kept in touch by telephone with his companion and with the earth. Jack kept in touch with his friends ((by e-mail)(划线))during his stay in America.(对划线部分提问)_____ _____Jack keep in touch with his friends during his stay in America? 我要求教2道英语选择题.1.We ____wite each other ever since we met three years ago.A got in touch with B have stayed in touch with C have got in touch with D kept in touch with 2.Are you still here you were here half an hour ago who _____for How can we have more friends,get in touch with other people or stay at home? The touch they had both kept in ＿＿＿many years broke.A.for B.on C.into D.with i have no idea _they have kept in touch with each other by writing letter.a what b how long c why in general ,people in the united states avoied physics touch with each other,since physical touch often suggeste sexual ____ or attack.(attact) get in touch with