Cấu trúc enough ... to :

`@` S `+` be `+` adj/adv `+` enough `+` ( for O ) `+` to V...

`@` S `+` have `+` enough `+` N `+` to V

Đáp án :

`1.` The machines are powerful enough for them to plough the hard soil.

`2.` The coffee is not warm enough for me to drink it.

`3.` The girl is not clever enough to mend this shirt.

`4.` We were too far away for me to hear what he said.

`5.` The garden is warm enough to sit here.

`6.` His English was not good enough to make himself understand in English.

`7.` The chair is strong enough to stand on it.

`8.` This coat is not thick enough for her to wear it in the winter.

`9.` The road is wide enough for two cars to pass each other.