【起止标识】标记非谓语动词短语时,一定是从动词不定式(to do)、动名词(doing)或分词(现在分词doing或过去分词done)开头,到以下四种情况终止。 ① 到句尾终止,如:Li Hui is a teacher (teaching English). ② 到句中的逗号终止,如:(To improve my English), I often l...
As the saying goes, happiness takes no account of time. After 3 hours' work, talk and laugh, a gorgeous sunset reminded us that it's time to return. Exhausted as we were, we felt our time and effort extremely worthwhile,for ...(此处写上活动的意义,...
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