1. His whole school education  _____ only 2 years because of his illness.

          A. added up       B. added up in          C. added up to       D. was added up

2.---Look! The telephone is broken. Someone damaged it _____ purpose.

  ---That may be right. But perhaps it was broken _____ accident.

          A. by; on             B. by; by            C. on; on         D. on; by

3£®_____ catch the first bus, he got up very early this morning.

          A. In order to        B. In order that            C. So as to         D. So that