what's the number

what's the number What’s the number of what's the next number? What's the girl is phone number? What's his number? what's your number What's the number of the visitors here today? for what positive number the square root of the number the s what's the telephone number?中number要不要加s? What's the next two number?40,24,26,12 原句：What's the number of your telephone,please? number what's the is missing 连词成句