The time _________ I first spend with Nelson Mandela was a very difficult period of my life.

Do you know how her grandpa passed_____— He died _____ illness.

She’ll never forget her stay there ________ she found her son who had gone missing two years before[ ]

What did Susan say just now—She said that she ________ come this weekend because of illness.

The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them.