我是拼音小能手

根据句意及所给汉语或首字母提示，写出句中所缺单词。
（1）My brother ____  （骑）his bike to school.
（2）Mary is good student. She is____ （从不）late for school.
（3）Do you like to get up ____ （早）？
（4）Don't ____ （说话）to your classmates.
（5）There are a lot of a____ in the zoo.
（6）There is a supermarket b____  the library and the school.

一块农田中的农作物可以看作一个生态系统．