It’s useless envying others their success.It’s time you ________ hard.
| A．must work | B．went to work |
| C．work | D．worked |
I don’t care what others say about my clothes and hair style, ___________, I have my own beauty sense.
| A．Meanwhile | B．Therefore | C．Instead | D．Anyway |
Presently, the old tend to take up some new hobbies ___________they can find a brand new definition of life.
| A．that | B．where | C．which | D．when |
The newcomer’s ___________ nature accounts for his making a large circle of friends soon after his arrival.
| A．considerate | B．energetic | C．easygoing | D．aggressive |
---Have you watched the live Oscar Award presentation?
---I ___________it online later because of an important date.
| A．watched | B．had watched | C．was watching | D．have watched |
___________2010 Shanghai World Expo will launch ___________underground network of 700 kilometers of pipes to provide natural hearting and cooling.
| A．The; an | B．The; the | C．不填；the | D．不填；an |