______it is to take a rest after a long run!

______ in making for 4As in the academic proficiency test, which most classmates had not expected, made her parents very upset.

This is _____ orange shirt, and that is ____ green skirt.

I’ll give you a phone call to Paris.

29. It is known to us that doing eye exercises ________ our eyes, and that is to say, our eyes can ________ doing eye exercises.