a)Complete the sentences with or these.
1. ............... questions are difficult.
2.Do you like ............ bag?
3.Look at ...... picture.
4. ...... houses are new.
b) Complete the sentences with that or these.
1. I want to buy ......... round mirror.
2. ...... dogs are my friend's.
3. ....... is my notebook.
4.I like ......... white cats.