Please pay attention _____ what your teacher says in class. [ ]

I came to your office yesterday morning, but nobody was in.—-Oh, we__________ a meeting in the meeting room.

What can you see in the picture? — I can see a farm. And there _______ a lot of animals on it.

This backpack must belong to _______.

I won’t go there. It’s late now. __________, it is raining so hard.