_______ a precious diamond necklace for his wife, Martin could hardly afford a tie for himself．

To lose weight , Jane is considering _______ the weight-loss pills . She prefers to do that rather than _____ some exercise every day .

I still remember      to the Three Gorges and what I saw there.

In my opinion，keeping dogs should not be banned，but ______ to certain areas.

The old man was found _______ on the floor _______.