— What do you think of Mary’s dress?— I think it still looks quite fashionable on her           it is a style of many years ago.

 He realized his mistakes and took action to reduce the loss _________ it was too late.

—Did you give Tom a call?—I didn’t need to , ________ I’ll see him soon.

Hurry up, _________ you will be late for class.

The rivers will become dirtier and dirtier ______ we take action to protect them.