1._______the soldier was badly injured, he refused to leave the battle field.           

A. Before    B. Once    C. Since            D. While

2.It is widely believed that children should drink enough milk, which can _____ their healthy growth.           

A. strengthen  B. improve      C. control          D. promote

3.Mr. Harrison was finally employed by the company because his ability and work experience could ________ the position perfectly.           

A. match     B. compare     C. combine             D. measure