______, we arrived too late tocatch the plane.

1—Yourfather isn’t in. Where is heHeBeijing on business.

They say the busiest day of the year, _____ the number of shoppers, is usually the Saturday before Christmas

Must I return the book today— No, you ________. You can do it tomorrow.

Susan __________ in Peking Normal UniversityShe moved there ten years ago and has neverworked anywhere else.[ ]