问题
                    
What’s this ____ English?—It’s ____ egg.[ ]
                            A: to; a
B: to; an
C: in; an
D:in; a
                        
                        B: to; an
C: in; an
D:in; a
正确答案是:
                        
                        
                        
                    同类题型
                    ______ lunchtime, I often chat _______ my classmates on the playground. [ ]
What did Lucy ask just now ? —- She asked _________________________.
Iknow you are arriving_____ Shanghai next week.[ ]
A terrible earthquake happened in Japan_____ March, 2011. [ ]
Helen _______her keys in the office so she had to wait until her husband ___home.