It is not profitable to provide bus services in districts where the population is widely _____.
| A．scattered | B．dismissed | C．separated | D．spread |
The traffic lights red and I stopped my car immediately
| A．got | B．turned | C．grew | D．became |
— Why does this village develop so slowly?
— Because large quantities of money .
| A．have wasted | B．is being wasted |
| C．has keen wasted | D．have been wasted |
Only by working hard succeed.
| A．can you | B．you can | C．could you | D．you could |
, they went to bed earlier than usual
| A．There was nothing more to do |
| B．They have nothing more to do |
| C．Having nothing more to do |
| D．There having nothing more to do |
They at home when a storm came
| A．sleep | B．slept | C．were sleeping | D．are sleeping |