1. Telephone is really ______ most usefull invention. But you know who invented ______ telephone? e ... the B.a ... a C.a ... / D.a ... the 2. The US is hardly in _____ position to criticize other countries for wasting energy supplies.A./ at3. Besides Mary, _____ Smiths have two other daughters, ______ of whom are all interested in making clothes. A. / ...two B. /... the two e... e...thethree
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1。 Telephone is really ______ most usefull invention。But you know who invented ______ telephone? e 。。。 the B。a 。。。 a C。a 。。。 / D。a 。。。 the 分析：most=very；发明物一般都用the。答案：D2。 The US is hardly in _____ position to criticize other countries for wasting energy supplies。A。/ at分析：有定语修饰的名词一般都用 the。句中动词不定式短语作定语。答案：C3。 Besides Mary, _____ Smiths have two other daughters, ______ of whom are all interested in making clothes。A。 / 。。。two B。 /。。。 the two e。。。 e。。。thethree分析：1。表示夫妻俩或一家人，就在复数形式的姓氏前加 the； 2。区别 the three of them 与 three of them，前者表示他们就是三个人，后者表示“他们之中的三个人”，“他们”不止三人，是三者以上。句中besides Mary,two other daughters,就是说除了Mary,还有另外2个女儿,说明他们有3个女儿。答案：D也许说得不够清楚，希望对你有帮助。。