单项选择题
Our company will provide you with free transportation as you requested and charge the installation.（）
A. installation with a charge B. in the installation C. freely installation D. installation in charge
单项选择题 Dump sewage into oceans and rivers is a serious form of pollution.（）
单项选择题 He has a touch of eccentricity in his composition.（）
单项选择题 The most striking technological success in the 20th century is probably the computer revolution.（）
