Are there apple?该为单数句It's too big.改为复数句His hat is new.用old连成选择疑问What's this It's book.中什么地方错了?What colour is your shoes?中什么地方错了?

Is there an apple ?
They're too big.
Is his hat new or old ?
答句应该是It's a book.
应该是What colour are your shoes ?

Is there an apple?
They're too big.
Is his hat new or old?
It's book.是It's a book.
is改成are

is there an apple
they are too big
is his hat new or old?
it's a book
What colour are your shoes?

Is there an apple?
They're too big
Is his hat new or old
What's this? It's a book
What colour are your shoes

Is there an apple?
They are too big.
Is his hat new or old?
应该为It's a book.漏了冠词.
应该为What colour are your shoes?复数用are.

Is there an apple?
They are too big.
Is his hat old or new?
What's this? This is a book.
What color are your shoes?