There’s no doubt ______ the famous professor will come to give us a lecture.
She wants very much to improve her _______.
_____ New York _______ London are two of the largest cities in the world.
______ met, it won’t be easily forgotten.
-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
We have spent _____ money on English books.