第1个回答 2007-09-23
How fluent the waiters' English is!
第2个回答 2007-09-23
How fluently these waiters speak English!
第3个回答 2007-09-23
How fluent these waiters' oral English is.
第4个回答 2007-09-23
How fluent the waiters' spoken English are!
第5个回答 2007-09-23
上面“天的轮廓”答案正确!