If you happen to see the process of cooking in a restaurant, you might see the cook using rubbish oil, which is a common _____ in China nowadays.
| A．sense | B．rule | C．practice | D．activity |
---How often do you visit your granny in the village?
---I feel ashamed. .
| A．Very often | B．By accident | C．Just once in a while | D．All of a sudden |
Straight away I went to buy the tickets, but there were left for the next public holiday.
| A．nothing | B．none | C．neither | D．no one |
—Can I look at the menu for a few more minutes before I decide?
—Of course．____, sir．
| A．Take your time | B．It doesn't matter |
| C．Enjoy yourself | D．Make yourself at home |
—Do you regret paying twenty dollars for the dictionary?
—No．I ____ twice as much for it．
| A．gladly paid | B．should gladly pay |
| C．would gladly have paid | D．had gladly paid |
I am wondering ____ he expects will win the gold medal in Men's Single．
| A．whom | B．who | C．which | D．what |