The police recommended that the ________ in the accident ____________ to the hospital nearby at once.

A. injure; should be sent B. injuring; send      

C. injured; be sent            D. injured; should send

-------Which boy do you want to see now?

-------The _______ in the   red hat.

It’s the ____ in the country to go out and pick flowers on the first day of spring.

       A. use                   B. habit                 C. custom              D. normal

It is the _______in the country to go out and pick flowers on the first day of spring.

It’s the __________ in the west to open a present when someone gives __________ to you.