- You look worried. What's the matter? - I have some problems with my parents. I really don't know_______.
The building is the secondin our town。
His father is engineer. He designed such useful machine
—Who is speaking there? —It be Uncle Li. He has gone to Shanghai.
— Amy’s library book is lost? —She has to pay for it.
There is plenty of snow outside. Put on your sweater. It is cold today.