---How could you be so rude as to walk in here in the middle of my class?
---_____________
| A．Nothing much | B．Nothing serious | C．Never again | D．Never mind |
Would it be ___ for you to pick me up at four o’clock and take me to the airport?
| A．free | B．vacant | C．handy | D．convenient |
—You speak very good French!
—Thanks. I ______ French in Sichuan University for four years.
| A．studied | B．study | C．was studying | D．had studied |
We should consider _______ use can be made of such a piece of cloth.
| A．what | B．that | C．how | D．which |
—He got his first book published. It turned out to be a bestseller.
—When was ________?
—______ was in 2000 when he was still in college.
| A．that; This | B．this; It | C．it; This | D．that; It |
People working 10 or 11 hours a day are more likely to suffer from health problems than _____who go off duty after eight hours.
| A．those | B．that | C．these | D．them |