How is S related to O?

Fill in the blanks with the appropriate antonym of the words highlighted from among the choices given below them:

Select the most appropriate option to fill in the blank.

Bonsai gardening was first practiced in China but became _____ because of the Japanese.

If the hurricane comes near the city, the winds may _______ the flood walls and cause them to crumble.

The temporary move to give teams the option of making five substitutions per game instead of three should take __________ on a permanent basis.

I opened the bag and packed the boots in; and then, just as I was ______ to close it, a horrible idea ________ to me.

Select the option that completes the sentence CORRECTLY.

The plan________is quite sound but I don’t like the way it is being implemented.

Something done in an unhappy manner