This is a UFO.It is( ).
This is a UFO.It is( ).
单项选择 What is this,plese?---It is UFO.A.a B.an C.the D\
This is a UFO改为否定句
This is a watch.Is it (you)?
What is this?( ) A.This is a jacket.B.It is green C.It is "S
This is a ( ).The orange is in it is orange.
(is.it)this a wastebasket?no.it(is.isn't )
This is a gift.colour it pink.
I must - - - - - - - this:it is a secret
This is a (c )game.Ilike it
this is a house.it has [ ]windows.
--- () is this?--It's a pencil