He had planned to make a compromise, but ______ hechanged his mind at the last minute.

We should leave the classroom ____ the light____.

The thought of going back home was ___kept him happy while he was working abroad．

You will be able to meet the famous writer if you to the book store tomorrow.

John, you ____ the computer game for two hours. It’s bad for your eyes. Stop, please! —OK, Mum.