—John looks a bit upset.Did you tell him the bad news?—Yes,but I________him after his birthday party.
Everyone knows that ______ paper was invented by _______ Chinese.
__ it is to have a picnic in the hills on such a nice day!
I wish I____ my uncle yesterday.
__________ ,the bad weather, the sports meeting has been put off until next week.
. It is said that his carelessness and ignorance together ________ a terrible fire, which burned down the building.