The car number 57777 is a special number, ____, I think, passers-by can easily remember.

Forty percent of the students in our class are boys, ____are girls.

Pip disliked _______ Joe came to see him in London, _______ Pip thought was not a gentleman.

Learning experiences happen to us throughout our lives, and not too long ago, I had _______ that I would like to share.

— Did you call on any of your old friends when you returned to your hometown ?—______ of  them . They were all very busy .