Ⅰ 单句语法填空
1．(2016·湖南省长沙市二模)The time and effort he has devoted during the past few years to ____________(plant) trees in that remote area is now considered to be of great value.
答案：planting
2．(2016·山东潍坊联考)Most people would agree that nuclear science should be developed to benefit the human beings rather than____________ (harm) them.
答案：harm
