It is a _________ in China to have some tea or other drinks before the meal is served.
| A．custom | B．behavior |
| C．policy | D．system |
Every evening after dinner, if notfrom work, I will spend some time walking my dog.
| A．being tired | B．tired |
| C．tiring | D．to be tired |
With the loss of labor，the old farmers ________at home had to choose less labourintensive crops.
| A．left | B．to leave |
| C．having left | D．leaving |
--- This afternoon let’s go to a good restaurant.
--- it will cost a lot of money.
--- Don’t worry. It is my _______ today.
| A．service | B．offer |
| C．turn | D．treat |
Mr Wang devoted all his time to_______ his spoken English before going abroad.
| A．improve | B．being improved |
| C．improved | D．improving |
We must speak English __________ in order to improve our oral English.
| A．actually | B．gradually |
| C．frequently | D．entirely |