The boy __ exercises, so he has to see the doctor because of overweight.
当你被介绍认识某人后, 你应该说: “____”。
—What ____ is Jane in? —She is in ____ Six.
—Welcome to our school. —____
Linda is fifteen ____. She is in Class 1, Grade 9.
This is my teacher, Miss Chen. ____ is from Hebei.