We are going to Yunnan for vacation. We’re staying there _____ half a month.[ ]

Mr. Brown exercises, so he is very fat.

_____do you spell “ruler”? — R—U—L—E —R.

Students don’t go to school _____ Saturdays. They do their homework _____ home. [ ]

You always spend only a little time on your study. You really ____me down.— I’m sorry, Mum. I won’t do that again.