英語題,1.The population of China is 1.3 billion.(同义句转换) ( ) ( )

英語題,
1.The population of China is 1.3 billion.(同义句转换) ( ) ( )1.3 billion people in China.2.China is developing and it has the largest population in the world.(合并成一个簡單句) China is a ( )country ( ) the largest population in the world.3.The students in their class work hard at English.The students in our class work harder at English.(合并成一个句子) The students in our class work ( ) ( ) at English ( ) those in their class.4.China has developed rapidly because our country carried out one-child policy.(同义句转换) China has developed rapidly ( ) ( ) our country's one-child policy.5.China has sent Shenzhou VII into space successfully.（改為反意疑問句) China has sent Shenzhou VII into space successfully,( ) (