30.Some children want to challenge themselves by learning a language different from____spoken by their parents at home.
________, Nathan gave back the enormous amount of money he found.
After a day’s hard work, I went back home ________.
— Did you remember to give Jenny the money? — Yes. ________ I saw her, I’m sure.
Some people argue that both the government and the milk producers are ________ for the death of the babies.
When ________ what made him a popular person, he said it was his personality.