—Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.
The winter comes, it is __snow everywhere, and the big tree is ____ white snow now.
Children, I’ll tell you , and you can do it .
Shennongjia is a great place ___________ different kinds of animals ______ live in.
Do you write a report ______ an animal _______ danger for the club?
—How many mistakes did you make in the exam ?—______