--- Mr Wu, could you tell me ________?--- You’d better do more speaking.
--- What are you doing here, Mrs. White?---I'm waiting for my son. He________ back from school.
--- Why are you taking a bag with you?--- I’m going to buy something. The supermarkets don’t _____ free plastic bags to shoppers to protect the environment.
--- Can we find before an earthquake?--- Yes. Some animals will run wildly and some plants will come out in the wrong season.
--- Can’t you see all the foreign players are quite strong?--- Yes. But the Chinese players got the gold medal ______.
--- ______, is there a famous place I can travel in your hometown?--- Certainly. You can visit Mount Huang.