问题
                    
I don’t know if ______ to the party. I will let you know if ______.
                            A:he will come; he comes
B:he will come; he will come
C:he comes; he comes
D:he comes; he will come
                        
                        B:he will come; he will come
C:he comes; he comes
D:he comes; he will come
正确答案是: