问题
填空题
My friends have f______(飞) to South Africa to watch the football matches of the 2010 World Cup.
答案
参考答案:flown
解析: have在此处是助动词,后面应加过去分词,构成现在完成时。
My friends have f______(飞) to South Africa to watch the football matches of the 2010 World Cup.
参考答案:flown
解析: have在此处是助动词,后面应加过去分词,构成现在完成时。