uniform 前加的是a还是an ,哪umbrella 呢
uniform 前加的是a还是an ,哪umbrella 呢
"uniform"的前面是加"a",还是加"an"?
uniform前+a还是an
是 a umbrella还是an umbrella,为什么?
a uniform还是an uniform
在英语里,是a uniform,还是an uniform
a还是an uniform
umbrella,administrater前用a还是用an
是He'got a uniform.还是He's got an uniform?
orange前加an还是加a
"a uniform" or "an uniform"?
在MP3这个单词前,是加a还是an