--- Could you tell me __________?
--- Certainly. In half an hour.
| A．when will the train to Beijing leave |
| B．when the train to Beijing would leave |
| C．when the train to Beijing left |
| D．when the train to Beijing will leave |
--- Mum, why don’t you have the robot ________ housework for you?
--- Oh, it caught a virus, I should have it _________ at once.
| A．done; repair | B．do; repaired |
| C．done; repaired | D．do; repair |
If our government _______ attention to controlling food safety now, our health _______ in danger.
| A．wont’ pay; is | B．doesn’t pay; is |
| C．won’t pay; will be | D．doesn’t pay; will be |
--- Jack, could you help me ________ these pictures on the blackboard? It may help us know more about the hazy weather. (雾霾)
--- With pleasure.
| A．put in | B．put up | C．put on | D．put down |
The world’s population is growing ______ and there is _______ land and water for growing rice.
| A．more; less | B．larger; fewer | C．larger; less | D．more; fewer |