______ it rain tomorrow, we would have to put off the visit to the Water Cube.

While ______ himself in the newspaper in a cafe , he got his pocket picked.    

--- Look，someone has left the fridge door open again．--- Well．It __________ me，Morn．

 “We_____ the train had we left earlier,” the wife complained to the husband.

West of our school ______ many barbecue stands, where many students like to go after school.