I feel ashamed of myself．

He knows little about the subject, but he is rather enthusiastic．

They will be able to do drawings and send them by mail or by fax．

Some supermarket products carry labels to show that the product is green．

If fewer cash crops were grown, more food could be produced and there would be less or no starvation．

Put the flowers in the vase．

It is rather comfortable to walk on the carpet．

My grandfather liked to sit in the old armchair．

It’s rude to talk to the old like this．