As we’re students, we __________ obey the school rules.
Did you know that there were ________ visitors in Luoguo Xiang in Beijing last week?
Annie always gets good scores in lots of exams because she is a girl.
The trees are best friends. They give us a large number of things that we need.
Kevin was _____ 8-year-old boy. His parents decided to send her to _____ boarding school.
If you work hard, you will have a ________to enter a good university.