His father told me that he ____  for the United States three days _______.

---- What happened to you?---- I ________ in the street when someone patted me on the shoulder, which frightened me.

I want to buy that kind of cloth because I _____ the cloth _____ well.

---Alice, why didn’t you come yesterday?---I ____, but I had an unexpected visitor.

Because the shop _______, the T-shirts are sold at half price.