Some plants are vey ____ to light; they prefer the shade.

Although the increase in the present sum used for the research is________， a great breakthrough could still be achieved by the end of this year.

Affected by their good deeds, I was ________ to join them in helping the old.

She has already tried her best. Please don’t be _____ about her job.

I know these flowers are not natural, but the _____ ones look more beautiful and can last long.