—Why do you charge me so much for such a simple meal! I wonder if you got mistaken.  —Oh, I have _______ in your bill the cost of the expensive plate you broke just now.

 My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment. 

-- I have got a headache. -- No wonder. You_________ on the math exercises too long. 

In the last few years thousands of films ____ all over the world.

—Why，Jack，you look so tired!—Well，I ________ the house and I must finish the work tomorrow.