1.The ____________(develop) of science has changed our life a lot.

1.The ____________(develop) of science has changed our life a lot.
1.The ____________(develop) of science has changed our life a lot.

1.The ____________(develop) of science has changed our life a lot.
development
n.
1. 发展, 生长
2. 新阶段, 新事态; 新产品, 新发明
3. 新开发地