ALTHOUGH A DOCTOR MAY BE ABLE (A) TO DIAGNOSE A PROBLEM (B) PERFEC...

29. - DE KIEM TRA HKII- TA 11
DE KIEM TRA HKII- TA 11

29. Although a doctor may be able (A) to diagnose a problem (B) perfect, he still may not

(C) be able to find a drug (D) to which the patient will respond.