— Tomorrow we’ ll have an extra training for P.E exam . Be sure to be here on time! — No problem , I’ ll be here 10 minutes _____ .

There are many shops on ______ side of the busy street.

—Every day, my mother tries to spare some time to chat with me ______ she is very tired after a wholeday’s hard work.—How great she is!

There are ___ days in a week and Tuesday is ____ day of the week . 

The train is going _______ the tunnel. Then it will go ______to the center of the city.