_____ this is only a small town, it’s crowded tourists who come here all year round.
| A．Since | B．Unless | C．Once | D．Although |
The population of Jiangsuto more than twice what it was in 1949. The figure is now approaching 74 million.
| A． | has grown | B． | have grown | C． | grew | D． | are growing |
Some of you may have finished unit one., you can go on to unit two.
| A． | If you may | B． | If you do | C． | If not | D． | If so |
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children. 
| A．forced | B．forcing | C．to be forced | D．having forced |
The fact has worried many scientiststhe earth is becoming warmer and warmer these years.
| A． | what | B． | which | C． | that | D． | though |
Frank put the mediocre in the top drawer to make sure it would not be_______ to the kids. 
| A．accessible | B．relative | C．acceptable | D．sensitive |