单项选择题 The drug-maker now gathers detailed information on how doctors _____drugs so its sales reps can be far more productive.

单项选择题 The boy asked his mother to _____ him up so that he could look in the window.boothC、 boostD、 booze

单项选择题 The company just finished ______ automated defect-removal systems in the last of its nine U.S. potato plants.to installC、 to setD、 setting