The two friends _____ on the Internet for three hours, and they would go on till the next morning.
| A．had been chatting | B．had chatted | C．were chatting | D．has been chatting |
16．After driving for 20 miles, Jackson realized that he______in the wrong direction.
| A．was driving | B．drove | C．had been driving | D．had driven |
15．We know it is hard to make such a decision____he has just built up the team for a year and the project is going through the important stage now.
| A．that | B．as | C．when | D．Before |
14．In a sports team each player has a clear role, and there are few___when members are uncertain of their roles.
| A．occasions | B．positions | C．chances | D．Situations |
13．There is no love, no friendship, like______of the parents for their child.
| A．that | B．those | C．the one | D．the ones |
12．In only 10 years, our province has been___into an advanced industrial province.
| A．transformed | B．entered | C．regarded | D．Issued |