It is very important that you _______ for this examination.

With some books ________， he went into the bookstore on the way home.

what I happened to have met Mark at the partylast week．—If my memory serves me correctly, you two ______ eachother for almost ten years．

over sixty, but doesn’t look _____.

d you mind giving your advice on how to improve our business management— If you make ______ most of the modern equipment, there will be ______ rise in production.