— I rang the bell for a long time last night, but no one opened the door.— Oh, the family __________ a party and they didn’t hear the bell.

 Don’t worry. We’ll do all we ______ you.

---How will you go to the zoo tomorrow? ---If it _____ tomorrow, I'll go there by car.

For all these years I have been working for others. I’m hoping I’ll __________my own business someday.

— Where ’s your mother ?— She ________ Shanghai . She won’t be back ________ next week .