There is ( )''h'' in the word ''hour''.A:a B：the C:an 请说明理由,

There is ( )''h'' in the word ''hour''.A:a B：the C:an 请说明理由,
There is ( )''h'' in the word ''hour''.A:a B：the C:an 请说明理由,

There is ( )''h'' in the word ''hour''.A:a B：the C:an 请说明理由,
选C.因为H的发音第一个是ei,元音.因此要加an.

C: an
hour(h没发音,发our的音,元音音标在开头都用 an 不用a)

C. an, 元音开头的单词，前面用不定冠词an