I went to the classroom to close the door yesterday. But as soon as I was _______ to the classroom, I found it already _______.

My friends went to summer camp _______ vacation. [ ]

Hello, Sandy. This is Jack. What are you doing?—I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.

Grandma often tells us stories after meals, but they are quite____.

Vienna, the capital of Austria, is _____ the River Danube and The Blue Danube is _____ Strauss.[ ]