-You are dropped__________"s"in the word "across".
问题描述:
-You are dropped__________"s"in the word "across".
答
an,因为S是元音音标/e/开头的,读/es/,故用AN
-You are dropped__________"s"in the word "across".
an,因为S是元音音标/e/开头的,读/es/,故用AN