UNIT 6I. PRONUNCIATIONCHOOSE THE WORD THAT HAS MAIN STRESS PLACED DIFF...

13. - TONG HOP BAI TAP TIENG ANH LOP 11 UNIT 6 COMPETITIONS CO DAP AN
TONG HOP BAI TAP TIENG ANH LOP 11 UNIT 6 COMPETITIONS CO DAP AN
13. For work to flow _______, proper preparations must be made.a. smoothly b. freely c. constantly d. naturally