There ______ many farm houses in our area.
—Susan, what are the advantages of MP5 players?—Mom, they are smaller and lighter ______ they can be carried very easily.
She is always listening to music ____doing her homework.
Someone called me up in the middle of the night, but they hung up I could answer the phone.
I will go to visit my aunt in England ______ the summer holiday starts.
The little boy is only six years old, _________ he can make wonderful model cars.