It was his laziness and his rudeness that ______ his success.

When asked about the secret about staying young, he said that a balanced diet __________ with exercise was the recipe for a healthy life.

(2014·安徽皖南八校三联)A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies.

---Does your brother serve in the army?---No, not now. But he ________ in the army for 8 years.

My mother asked me where _____, and I told her that I was going to buy some food.