what's the number of your flight leaving Beijing?中的leaving 可否换成to leave ,如不可,为什么?

What’s the number of what's the number What's __________ people in Australia?A. the number of B. a number of C. number D. the population of 请问what‘s the number of your car 能不能表达为：what’s your car‘s number? 原句：What's the number of your telephone,please?改：What‘s ,,,please? 原句：What's the number of your telephone,please?样子：What‘s ,,,please? what`s the number of your tilephone?为什么加of和the What‘s telephone number of your friend? What's the-----(fly)number of their plane to the UK?填什么 What's the number of the flying to Beijing?这句话哪里错了 what's the number of the smith flight leaving beijing?为什么用ing形式 if you take away half of a number , the number becomes nothing , what's the number?A 8 B 7 C 2 D 4 ,选哪一个,为什么? if you take away half of a number,the number become nothing,what's the number? A.8 B.6 C.2 D.4应该选什么? what's the number of bus take me to get there 如果错了,改错. phone,what's,of,number,your,the怎样连词成句 What's the __(fly)number of their plane?横线上添上什么?怎么翻译? what's the population of china?what's the population of china?《改为同义句》—— ——is the number of people in china? 正确形式填空what's the number of your 空[fly] out of beijing it's no.hu 7378