How many countries will be participated in the Shanghai Expo in 2010?译：有多少人参加了2010年上海世界博览会?这个我觉得很奇怪.如果没有问题,participated in的用法；如果有问题,分别从中文、英文角度分析.

How many countries are there in the How many f( )countries have you visited? How many countries have you been to____ _____? About four how many countries are using Euro?Especially in north Europe... How many countries can you name? 怎么回答? How many countries are there in the South America? how many countries inasia and what they name How many countries are there in mainland South America? How many f（ ）countries have you visied? Who knows how many countries there are on the earth How many countries does the UK consist of? how+many+countries+does+the+uk+(consisting+of)?为什么不对 Many people in w---- countries are interested in Chinese culture 横线上写什么 How many famous characters from the history of other countries?Make a list.人工翻译、 英语填空 世界上有多少个国家 How many countries are there-------- --------- --------- how many countries are there in the world?(please write it in english) how many things are made in foreige countries from these ads? how many countries were there on the earth in 3025 的意思