It was announced that only when the terrible disease was under control _____ to return to their homes.

  – Sir, we have failed to work out this problem. What is exactly the right way?--- Look. Only in this way ________ , but you boys _____ a wrong way.

In no case _______ go _______ the law of nature or we’ll meet endless suffering．

------ The floor is awful wet． What have happened?------ No sooner ________ into the shower than the phone rang．．

It is no doubt that once ____ this city, you’ll find that there is so much surprise waiting for you to discover.