Their relationship，______ onyears of open communication with each other，will last

Mr Li looks often looks tired and worried — So he does. You see it’s not easy to such a big factory.

She looks forward every spring to the flower – lined garden .

All______ to the earthquake-hit areas were cut off, which made the rescue much more difficult.

Mary spends a lot of money onclothes _____ her family is not rich.