56.4/85
南京三模
Multiple choice: 9.17
一、Check the following answers:    21.D     25.C   26.D       29.C    30.A     34.D
二、Think over the following individually and have a discussion with partners:23.B/C24.B/D25.?26.C/D27.A/B28.B/D30.A/C31.C/D32.B/C