SHE WON‟T LEND IT TO YOU _______ YOU PROMISE TO RETURN IT ON TIME....

51. - CAU HOI ON THI MON ANH VAN BẬC 2 CÔNG CHỨC 2020
CAU HOI ON THI MON ANH VAN BẬC 2 CÔNG CHỨC 2020
51. She won‟t lend it to you _______ you promise to return it on time. A. if B. unless C. and D. because