—Will you please answer the door? It ________ be your sister.—Sorry, I ________. I’m feeding the rabbit.
Could you please tell me ______? I want to see him right now.
I used to spend all my pocket money on clothes and snacks. But now, I try to ______ some money for charities.
The doctors in ORBIS have done ______ an important job ______ the patients are all grateful to them.
The old pen is broken, I’d like ______ one to write with.
I’m very glad I have my own room in my house. I ______ do what I want in it.