----I have got a headache.
---- No wonder. You ________ in front of that computer too long.
| A．work | B．are working | C．worked | D．have been working |
---How much is the petrolper liter today?
---Oh, 6.00 yuan. It ______ sharply since last month.
| A．is raised | B．has arisen | C．has risen | D．is aroused |
Gary, please do me a favor--- _____ my laptop for me.
| A．to fetch | B．fetch | C．fetching | D．fetched |
Human life is everywhere a ____ in which much is to be endured and little to be enjoyed..
| A．case | B．condition | C．position | D．state |
This camera is of good quality. If it ______ break down within the first year, we would repair it at our expense.
| A．would | B．should | C．could | D．might |
The visitors here are greatly impressed by the fact that _______ people from all walks of life are working hard for _____ new Chengdu.
| A．不填; a | B．不填;the | C．the; a | D．the; the |