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? However ,the score is still a useful means of testing students. decided to return blow for blow. ? 我們決定以牙還牙。 ? We must concentrate our efforts on improve the environment. ?We must spare no effort to improve the environment. ?We must devote ourselves to improving the environment. ,你應該聽父母的教誨。 ? I sent him a gift in return for his help. He was admitted to hospital with minor burns. ? 他因為輕度燒傷而入院。 ,最后想出一個解決這個問題的辦法。 He gets into the habit of getting up early. ?He forms the habit of getting up early. ?He picks up the habit of getting up early. ,又有經(jīng)驗。 ? Good health depends on good food , exercise and getting en