---Oh, doctor, the wound on my leg is infected.
---You really shouldn’t have left it _______ to the sun.
| A．discovered | B．exposed | C．opened | D．buried |
The saying “Brother is smoking is not a cigarette(香烟), but loneliness.” is popular on the Internet.
| A．That | B．What | C．Whether | D．Which |
—Where is the shooting centre?
—It is about 50 kilometres ______ the city of Beijing.
| A．in south of | B．south of | C．the south of | D．southern of |
Though iPhone 4 is such a hit product, I won’t buy one unless its after service ______.
| A．was improved | B．gets improved | C．is improving | D．had got improved |
The 3G cell-phone must be of great use to ____wants to get the information through the
Internet quickly．
| A．who | B．whoever | C．whomever | D．whichever |
—Can you give me some advice on what I said just now?
—Sorry, my mind _____．
| A．has wondered | B．had wondered | C．is wondering | D．was wondering |