THOUGH HE TRIED HARD, HE DIDN'T SUCCEEDA. HOWEVER HARD HE TRIED, H...

47. - DE THI THU DAI HOC MON ANH VA DAP AN
DE THI THU DAI HOC MON ANH VA DAP AN
47. Though he tried hard, he didn't succeeda. However hard he tried, he didn't succeed. b. However he tried hard, he didn't succeed.c. However he didn't succeed, he tried hard d. However he tried hard, but he didn't succeed.