_____the doctors in the hospital is about100 and one fourth of them are _______doctors.

— Who’s  the pretty girl in pink over there?  — She’s a friend of    .

When he heard a cry for help, he ran out as          as he could.

The Blacks are going to 　　　　　　　all over the world.

--- ________ do you go to see your grandparents?--- Once a week.