What color is your schoolbag, Gina –It’s ___________orange.

Principal White has been working in the school for about 20 years, all his energy to teaching and researching as well as the running of a healthy school.[ ]

We are leaving on June 15.　　—So why not come to spend _____ days with us? I’m serious.

There are _______animals in the zoo, and the pandas are _______shy.

If we use the new recycling method, a large number of trees