______ Buckingham Palace. (   )

A．This is

B．These are

C．Those are

选择正确的答案填空,补全对话。
1．—__________ your name?  — Liu Xin.
2．—__________ pencils? —Five.
3．—__________ are you?—I'm fine, thanks.
4．—__________ is your ruler?—Blue.
5．—__________ this?—It's a book.
6．—__________ is it?—It's red.
A．How    B．What's    C．What colour    D．How many
A．How    B．What's    C．What colour    D．How many

________ country is that?   （   ）

A．How

B．Where

C．What

选出单词中不同类的一项：(  )

A．green

B．this

C．black

请用所给的代词填空。
this, that, these, it
1. _______ keys are mine. That is yours. 
2. What's ________?  It's an egg. What's ________ over there? It's an orange. 
3. Look at ________ pencils. Are they Lucy's?   No, these aren’t hers. 
4. Hi, Mum, ________ is my friend, Lucy. 
5. What is it? ________ is an apple.