I’m told that you are going to Canada to have a three month further study. Don’t let such a good chance to improve your English _____ through your fingers.

When I was a little boy，I lived in a small fishing village.The visit to the village made me think of the________of my childhood.

You’d better have a talk with your friend _____, and then the misunderstanding will disappear.

In order to create a comfortable shopping environment, the mall placed a(n)     on smoking.

As a new comer in the city, I’m dying for ______ that is near both my university and the downtown area.