1.If I knew his number, I would phone him.
如果我知道他的电话号码,我一定会打电话给他。
2.They could change his number.
他们可以把他的电话号码改掉。
3.What's his mobile phone number?
他的手机号码是多少?
4.Her phone number is not 6821838. 她的电话号码不是6821838.
1.If I knew his number, I would phone him.
如果我知道他的电话号码,我一定会打电话给他。
2.They could change his number.
他们可以把他的电话号码改掉。
3.What's his mobile phone number?
他的手机号码是多少?
4.Her phone number is not 6821838. 她的电话号码不是6821838.