---How exciting ! I drove my new car at a speed of 110km/h on Sunday morning. ---Were you crazy ? You ______ yourself !
There used to be a mountain in our village, at the top of which ________.
It was along the Mississippi River ________ Mark Twain spent much of his childhood.
Linda,make sure the tables ________ before the guests arrive.
________caused the accident is still a complete mystery.
—May I borrow your computer?—Sorry, it is ________ at the moment.