ALTHOUGH A DOCTOR MAY BE ABLE TO DIAGNOSE A PROBLEM PERFECTLY, HE...

39. - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN

39. Although a doctor may be able to diagnose a problem perfectly, he still may not be able to find a drug

A B C

which the patient will respond. ( to which)

D