The man invented this bicycle ____ 1839.A. in B.on C. at
This______my friend.A.am B.is C.are
你来回答吧!(10分)( )(1)Who is the inventor of paper?( )(2)Do you see my bag?( )(3)How much is this book?( )(4)How many pens are there in your pencilcase?( )(5)Who is he?
What is________name?A.you B.your C.yours
—________is she?—She is my mother.A.Who B.What C.Where
I have________English book.A.a B.an C./