clever
stupid
Could he answer all the questions?Yes, he could.He was clever enough to answer them.No. he couldn’t.He was too stupid to answer them.
answer all the questions

buy the car
cheap
expensive
Could he buy the blue/the red car?Yes, he could,It was cheap enough for him to buy.No. he couldn’t.It was too expensive for him to buy.
Could they hear the stereo?Yes, they could.Because they were loud enough for them to hear. No, they couldn’t.Because they were too low for them to hear.
hear th ...