1.You are more likely to accomplish what you want if you know how to make necessary adjustments (adjust) in a new environment.
2.The western area abundant (abundance) in minerals is becoming the new energy base of our country.
3.It's high time that we students worked/should work (work) even harder at our lessons as the national entrance examination is coming nearer.
4.The mayor had to resign from his position because of his mistake.
5.We shouldn't complain about being poor — many families are worse (badly) off than we are.
6.After he got the deadly disease, he felt he was really a burden to his family.
7.It's a fact that people from diverse (diversity) cultures often have difficulty understanding (understand) each other.
8.I'd rather you painted (paint) the wall green next time.