单选题 Watch and read after the videos. <iframe src="546de3ba5370bfd0cd358e7a"></iframe> <iframe src="56766517e4b0e85354a765dc"></iframe> <iframe src="546de41b5370bfd0cd358e7f"></iframe> <iframe src="998c9f02958f4932baf563a8be1ef471"></iframe> <iframe src="546de41f5370bfd0cd358e80"></iframe> <iframe src="546de3dd5370bfd0cd358e7c"></iframe> <iframe src="546b0f3b5370bfd0cd357d70"></iframe> <iframe src="5a8ee898f1f73c32ea86ef37ca2833ef"></iframe> Listen and choose the word that you have heard. <iframe src="/ananas/common-modules/audioplay/audioplay.html?objectid=602bd339f1728ffa3a8e08a882a3d538"></iframe> fricative T1: question 1-12