an开头单词如:an apple an elephant
an开头单词如:an apple an elephant
I am an elephant
an elephant never forget
an elephant never fofgets
an elephant是什么意思?
an white elephant
单词中为什么有的用an,而有的用a.如:an apple a banana a car an Engliahbook
One a_ evening,he sat down under an apple tree.以a开头的单词,
an apple of
Please have an apple()
an apple for love
an apple in my