What's on the screen?Is there ____ad for a new film?A.a B.an C.the D./

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What''sonthescreen?Isthere____adforanewfilm?A.aB.anC.theD./What''sonthescreen?Isthere____adforanewfilm

What's on the screen?Is there ____ad for a new film?A.a B.an C.the D./
What's on the screen?Is there ____ad for a new film?A.a B.an C.the D./

What's on the screen?Is there ____ad for a new film?A.a B.an C.the D./
答案：B
ad的读音是：[æd] 开头的是元音音素,所以冠词用an.