--Are Mr and Mrs Wang living alone in the house?---Yes, they have three sons, but______of the sons live with them.
I will go out for a walk if it tomorrow.
–Do you know whose car is it? --It belongs to . It isn’t .
Kate will arrive Harbin the morning of July 5 by plane.
–What do you think of your brother? --He is honest and useful man.
--Can you come to the welcome party for our new friend next Saturday night? --_______.