I won’t go to tomorrow’s party_____ I am invited.A. if B. unless C. When
当别人称赞你时, 你应该说: “____”。
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 Class1, Grade9.