When you keep goldfish, it is a good idea to put some stones at the of the tank(鱼缸).—So the fish can hide behind them.

Not everybody _____ watching talent shows.

WhenIgotthere,Iwalkedalongawindingpath,listeningtobirdssing,watchingchildren________toysailboatsinahugefountain. [ ]

Sean has formed the habit ofjogging________ the tree-lined avenue for two hours every day.

Are these your goldfish— Yes, please give to .