We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
It looks as if they are going to ______us a lot of money for the concert hall.
Do you know the reason ________he was late for the class?
---- What a hot day! Have you had a drink? -----Yes, but I’d like to have _____ after class.
What a pity! I missed meeting my boss at the airport because my car on the way..
See what you’ve done! Don’t you have a _____ of right or wrong?