—What's this?—It is ___________.[ ] A.an U
What's this?——___.(①It's a pen.②This is pen.③This is an pen.
—What‘s this?—It’s()“U”and()“S” A.an,a B.a,an C.a,a
—What's that?It'_________library 填a,an,the —Is this _______c
选择 What's this - ( )"A" A.It's B.It's an C.It's a D.This is
This is a book,It's an English book.What's this?急.
what+is+this?+it's[+++++]english++book++A.a++B.an++C.two++D.
What`s this in E( ) It`s an a ( )
初一英语选择题——what is that? ——______apple.A.It's a B.It's an C.It
a an are is these this it\'s what 怎么用?
用这些a an are is these this it's what回答下面问题
It's(an orange)提问是What is this?
-What's that?-It's an ad"Music Teacher ___________" A.want B