As the busiest woman in the village, she made _____ her duty to look after all the other people’s affairs in that village.
| A．this | B．that | C．one | D．it |
The average cost of school residential trips was ￡ 48 in primary schools and ￡ 55 in secondaries in 2003, but ￡ 144 and ￡ 274 in 2009．
| A．regularly | B．relatively | C．respectively | D．responsibly |
For areas that receive regular and plentiful rainfall, such detailed crop monitoring（监测）might not be useful or ;
| A．economy | B．economic | C．economical | D．economics |
But the next thing I knew, the car stopped, the airbags had , the windscreen broke, and smoke was coming out．
| A．broken off | B．gone off | C．cut off | D．turned off |
His mother hardly seemed to notice as the boy go of her hand．
| A．let | B．made | C．had | D．got |
The moment we arrived within mobile phone , my phone lit up with lots of messages．
| A．range | B．distance | C．reach | D．extent |