I always keep my reference books near my desk .[ ]

What are you going to do this afternoon—I’ll probably go for a walk later on________it staysfine.

The petrol tank is empty. I _________it up before we left home.

What is our head teacher like, do you know –Oh, he is very kind, ________ he looks very serious.

____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.[ ]