The company provides cheap Internet access________，it makes shareware freely available

I have homework to do. I can’t go fishing with you.

There is a chess match between a Korean player and AlphaGo(阿尔法).—It’s very amazing. Playing _____ chess is usually ________ one-to-one game.

Sam got wounded in the Vietnam War and hestill has a hole ______ in his leg.

_______ is said that _______ tourists visit the park every day .