—Sam, come downstairs, please. I need your help.
—Sorry，mum. I        on the phone..

--- When did you get to know the information?
--- ____  I ____ yesterday.

–Tom, you didn’t come to my party last night?
– I ________, but my mom hurt her back and I had to look after her.

---Have you finished your fashion design?
---Not yet. I’ll finish it if I ________ ten more minutes.

---Where is Linda? Do you know?
---Linda _______  South Hill with her parents , and they will be back this afternoon.

--- Where is Mr Brown?
--- In the garden. He ______ the flowers.

---Did you visit your uncle last Sunday?
---No, I ______ to a wonderful movie with my friends.

Old Henry ______ his loves dog, but he didn’t ______ it.

--- What _____ your father?
--- He’s a cook.

The world _________. Things never stay the same.