We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
By serving others, a person focuses on someone other than himself or herself, ______ can be very eye-opening and rewarding.
The book is of great value. _____ can be enjoyed unless you digest it.
–I’d like some more cheese.–Sorry, there’s ______ left.
A rough estimate, Nigeria is__________ Great Britain.
The house rent is expensive. I’ve got about half the space I had at home and I’m paying ________here.