—We need a new leader for our Helping Hands Club，but I don’t know_______.—Why not Mary? She is always willing to help others.

— You like listening to Sally's songs, don't you?—_______.She has a sweet voice.

—You aren’t a stranger, are you?—____, don’t you remember ____ me in Mr Black’s office yesterday?

 They will never forget the film they saw last Sunday, __________ ?

There ____more cars now in our country.