【题目】Dad is writing _________ email _________ the computer. ( )
A.a; in B.an; in C.a; on D.an; on
【答案】D
【解析】
句意:爸爸在电脑上写电子邮件。a用在辅音音素前,an用在元音音素前,email是元音音素开始的单词,故前面用an,在电脑上英文on the computer,故选D。

【题目】Dad is writing _________ email _________ the computer. ( )
A.a; in B.an; in C.a; on D.an; on
【答案】D
【解析】
句意:爸爸在电脑上写电子邮件。a用在辅音音素前,an用在元音音素前,email是元音音素开始的单词,故前面用an,在电脑上英文on the computer,故选D。