_____are the Olympic Games held, do you know? —Every four years. [ ]
I went to the Window of the World in Shenzhen. It’s ____ great ______to see a lot of beautiful views in one day.
When does your mother go shopping? 一Usually ______ Sunday mornings. [ ]
The little boy is very brave. He ______ through the jungle with us last week.
The light is still on in his room. Do you know ?— Maybe he has to study for a test.