A lot of our land is used
to grow crops for export
主语：A lot of our land （a lot of,our 作定语修饰land)
谓语：is used
状语：to grow crops
状语：for export
保证准确率~
A lot of our land is used
to grow crops for export
主语：A lot of our land （a lot of,our 作定语修饰land)
谓语：is used
状语：to grow crops
状语：for export
保证准确率~