68.why don't we go to see comedy for a change? How about ......................................................... 74. You remembered to take a fifteen_minute rest, didn't you?(forget) You......................................a fifteen_minute rest, did you? 76.It took Mai two hours to clear our her room. (spent) ........................................................................................ 77. the test was very difficult.He couldn't do it. (too) ........................................................................................ 78. who owns this motorcycle? Who does.......................................................................