我们听力做完了,老是报答案批过了.
U1：1.AACB 2.changed any more;seen just;history project;light rail;since taught;presents partents;Computers wide;built underground.
1.BBABC 2.CBCAC
1.ABC 2.BCA
1.CBBCA 2.CABCC
1.BABCB 2.ACACB
1.CCCB BCCCA
TSET:1.ACAB CCABBC 2.BA ABC BACCB