When you finish reading the book, you will have______ better understanding of ______ life.
The Smiths are going ______ separate holiday ___________.
you had better drop your parents a ________ in case (以防)they are worrying about you.
If you are left _______ on a _________land, how will tou make a living?
He studies in the evening instead ________ the day.
Make yourself ________home and help yourself _______anything that you’d like to eat.