Tags are very common in spoken English, and have many functions. One of the common functions is to start a conversation or help keep it going. The two basic rules about tag questions are:1  If the statement is negative, the tag must be positive.ags are very common in spoken English, and have many functions. One of the common functions is to start a conversation or help keep it going. The two basic rules about tag questions are:
The average cost for a community to fluoridate its water is estimated to range from approximately $0.50 a year per person in large communities to approximately $3.00 a year per person in small communities. For most cities, every $1 invested in water fluoridation saves $38 in dental treatment costs.55 âFor most cities, every $1 invested in water fluoridation saves $38 in dental treatment costs.â It can be calculated from these data that the average lifetime cost per person to fluoridate a water system is less than the cost of one dental filling.
Most are not offering their flu shot prices online, but luckily I have a phone and made a few calls. Here is the pricing that I found (insurance acceptance varies and usual co-pay applies): Costco Flu Shots: No trivalent this year. $19.99 for quadrivalent. Costco is the cheapest on this list if you donât have insurance. Flu shots at the Costco Pharmacy is one of the services you can get from Costco without a membership. CVS Flu shots: No trivalent (yet this year). $41 for quadrivalent. Walgreenâs Flu Shots: Costs $31.99 for trivalent. $39.99 for quadrivalent.