You went to the US last month , didn’t you?—YesThat was the first time that I________ there

Please don’t tell anybody about this. Please keep it . —

He ___ in a minute.Ask someone else to do it

Did you remember the days ________ we studied in the university?—Certainly.Especially the hard times ________ we spent together.

Can you describe _____ it happened?　　　　—Yes, I was riding on my bike _____ a car knocked me down from behind