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has twice. abroaded abroad abroad abroad 答案: D have been 去過(guò) ,已回來(lái); have gone 去了,未回來(lái)。after 答案: C have gone to 表示 “去了 ……” , not...until 直到 …… 才 …… 11.—Have you found your bike? — . ,you have yet ,I do ,I found 答案: B C、 D 兩選項(xiàng)不符合問(wèn)句, A選項(xiàng)前后矛盾。 根據(jù)第一段提供的信息可知 縱觀全文,得知本句是正確的。 haven’ t finished their positions. write be writing 答案: D finish doing 。 8.—Who has been to the USA? — . of of 答案: B nobody 表示 “沒(méi)有人 ”。an 。by plane then over 400 million people have visited Beijing.(改為同義句 ) Since then 400 million people have visited the Beijing 答案: more than。travel girls are having a wonderful time in China.(改為同義句 ) The girls are in China. 答案: enjoying themselves uncle flew to Beijing yesterday.(改為同義句 ) My uncle to Beijing yesterday. 答案: went。an 。 you know the answer the question? 答案: B the answer to the question 這個(gè)問(wèn)題的答案。 you visited the Great Wall? 答案: A ever 曾經(jīng)。