esterday it was too late to get back,so Iat my aunt’s.

He _______ to go to TsinghuaUniversity to study after graduating from high school, so he is working veryhard.

From the date________on the coin, we knew that it was made 500 years ago [ ]

I find writing ___ than speaking.

He used to _____ computer games, but now he is used to_____ a walk after supper.