─ basketball is that under the desk ─ I think it’s my brother’s.

Not only_______give us relaxation and pleasure,but also_____increase our knowledge.

Some special projects are ________ to protect ourenvironment, so we may be _____ to having a clean and beautiful home in thenear future.

ve dogs time, space and love we canspare — Dogs are always our loyal friends

tens of yearsago, most zoos in such a way—animals in one areaand birds in another.