.-------Excuse me. Is this the right way to No.1 Middle School? ------- Sorry, I am not sure. But it ______ be.
_____ doesn’t seem to have been any trouble in solving the problem.
Is it in the factory ______ you visited last week ______ this kind of car is made?
________ that I was a regular visitor, the servant let me in.
David and Jack, _____so much alike each other, were often considered _____ twin brothers.
Can you _____ the capitals of all the countries?