The pupils here________all kinds of exercises every day in the past four weeks.
Now children, turn to page ________ and look at the _______ picture in Lesson Two.
Both of the two rulers are broken. I want to buy a _______ one.
December is the __________ month in year.
--- What is the date today?--- It's _________.
She knows a lot about China as she has been to China ________.