Could you please ____ the window? It’s too cold outside.

What’s this in the blue box? –________is an orange bottle. _______ orange bottle is mine .

Tom was sad because he did _______ in the math exam.

Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet? —Of course, I know. It’s impossible for me to buy_____ there.

He tried to tell himself to keep calm instead of being angry. It is________