--Pity you missed the lecture on nuclear pollution.-- I ___ it, but I was busy preparing for a job interview.
John received an invitation to dinner,and with his work_____ ,he gladly accepted it.
—Did Peter fix the computer himself?—He _______,because he doesn’t know much about computers.
Last week,only two people came to look at the house, ______wanted to buy it.
You can only be sure of_____you have at present;you cannot be sure of something_____you might get in the future.()
The practice of hanging clothes across the street is a common_____in many parts of the city.