--- Hello! Is Mr. John in the office?--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
There is _________as a free dinner in this world . As the saying goes,“No pains, no gains.”
The manager requested that no one_______ of his decision until the next meeting.
I am tired ________the partner I have been working with; he is too hard a person ________.
After ________ series of unsuccessful attempts, he has finally passed ________ driving test.
It is the third time so far that such a festival ________ in my hometown.