—______ is the weather in Beijing ?—_________ windy.
--- Could you tell me __________? --- Certainly. In half an hour.
--- Mum, why don’t you have the robot ________ housework for you?--- Oh, it caught a virus, I should have it _________ at once.
If our government _______ attention to controlling food safety now, our health _______ in danger.
--- Jack, could you help me ________ these pictures on the blackboard? It may help us know more about the hazy weather. (雾霾) --- With pleasure.
The world’s population is growing ______ and there is _______ land and water for growing rice.