11.   Is there a number to call to check on it?

12.   Is there a telephone number I can call to check on this?

13.   Nobody ever called to check with my dad.

14.   She said her mom often calls to check on her.

15.   She said a restaurant sent over pizza and many people called to check on the welfare of the students.

16.   Telecommunication systems, which were badly overloaded early Tuesday by people calling to check on friends or relatives, also have to be used sparingly, Catranzos said.

17.   That same day, my husband called to check a detail of one of the many phone errands he was assuming on my behalf.

18.   The recording provided passengers with a toll-free number to call to check the status of their flights.

19.   When our son called to check on our stamina, we inquired where we could buy milk in the neighborhood.

20.   When I called later in the week to check on his condi tion, Roy answered the phone.