Suzy can get better results in geography if she _________her best.

The director wants to make sure no one will solve the mystery until it ________ at the end of the horror film.

Is that colourful pencil-box Bob’s ? – No, it isn’t __________. It’s _________,

My house is very near a busy street.—It ________ be very quiet.

Would you like some tea? —Yes, just_____.