Pleasekeep me informed_______ the change of your address as soon as possible

Why, David, you look so tired! –Well, I ______ a report for the whole dayand I must finish it tomorrow.

The graduate’ s mind __________ when he learned that he could not get the graduation diploma because of his poor performance.[ ]

Mum, it is nice weather.I want to skate this afternoon.— Don’t you think the ice on the lake is too thin to________your weight?[ ]

What should I do to lose weight?—________ more vegetables and less fat.