It’s fine today. Let’s play ________ basketball outside. 

The boy is good at playing _____ guitar and _____ table tennis.

It is       useless book to children. Put it into         left drawer and never read it.

— Excuse me, Miss Li. Where will you take _____ trip? — I’ll travel to a famous island of _____ Pacific Ocean.

Mike is        American boy .He studies in       university in Lanzhou.