Whom do you want to have_______ the living conditions of migrant workers?

I __________my sister but she has one serious _________.

—As a weight­lifting athlete, Thomas is indeed too large, I think.—But ________ that, he is still one of the best athletes at present.

Most importantly, parents should choose correct ways to ________ their children.

Students should be encouraged to take charge of their own learning, _____ just depending on their teachers.