HE IS GOOD ________ CHEMISTRY.A. ON B. OF C. IN D. ATA. ON B. OF C...

13. - 20 DE TRAC NGHIEM TIENG ANH LOP 10 BAN CO BAN
20 DE TRAC NGHIEM TIENG ANH LOP 10 BAN CO BAN
13. He is good ________ chemistry.a. on b. of c. in d. at