地球上有广阔的海洋和陆地。

Earth has vast oceans and ___land.

小鸟安全地降落在树枝上。

The bird ___landed safely on the branch.

经过多次谈判，我们终于拿下了这个大项目。

After many negotiations, we finally ___landed the big project.

这片土地以农业经济为主。

This ___land is known for its agricultural economy.