I.1~5 CBBCB 6~10 BCCCB
II.1.to learn 2.really 3.to watch 4.healthy 5.pronunciation 6.musicians 7.were 8.used
9.preferred 10.has been
III.1.home to 2.what else 3.stay away 4.head of 5.interstted in
IV.1.doesn't need 2.where would 3.has he 4.easy enough 5.not to
V.1~5 BAEDC
VI.1~5 ABADC 6~10 BACBD
VII.1~5 ADBDD