问题
                    
There is _____ “s” and _____ “u” in ______ word “use”.
                            A:a; an; a
B:an; a; the
C:a; a; the
D:an; an; the;
                        
                        B:an; a; the
C:a; a; the
D:an; an; the;
正确答案是:
                        