外研版英语（刘兆义主编）六年级上册 Unit 2 Big cities 课时练习一、单选题1.Beijing is the capital of _______.（ ） A. China B. the US C. the UK2.London is the capital of _______.（ ） A. China B. the US C. the UK3.Washington DC is the capital of _______.（ ） A. China B. the US C. the...
