1.Please be careful when you are drinking coffee in case you __ the new carpet.

A) crash B) pollute C) spot D) stain

2.Convenience foods which are already prepared for cooking are __ in grocery stores.

A) ready B) approachable C) probable D) available

3.Everyone assumed what he said __ based on facts.

A) is B) to be C) were D) being

4.His honesty is __, nobody can doubt it.

A) in question B) beside the question C) out of the question D) without question

5.He is __ about his chances of winning a gold medal in the Olympics next year.

A) optimistic B) optional C) outstanding D) obvious