问题
                    
There is ________”u” and ________”h” in the word “hour”.
                            A:a/a
B:an/an
C:a/an
D:an/a
                        
                        B:an/an
C:a/an
D:an/a
正确答案是:
                        
                        
                        
                    同类题型
                    There is a big desk between ______ and ______.
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Mrs Green are very grateful to the neighbour _____ helped her child out of the fire.
We _______go to the park if it _______rain tomorrow.
This morning I went to work in such a hurry that I ___________ the key to my office at home.