There are days in a week.
The temperature in our hometown usually drops zero in winter. (在……以下)
Follow these small , and you can make a big difference to the Earth.(步骤)
Knowledge is a treasure, but practice is the to it. (钥匙)
当我们处于困境时,我们不应该放弃.
We shouldn't when we are in trouble.
山东潍坊现在因制作风筝而出名.
Weifang in Shandong Province making kites now.