When I ______to take part in the sport, I felt very surprised because I had never done this before. 

—How long have you been in this office?—Just a few minutes.My cousins ________ here together with me.

A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked（劫持）?

This company was ______ of using misleading advertisements in its promotion of the weight-loss pills

We have made up our minds that we’ll go to Wales for our summer vacation, but we still have not ___________________ when we’re going.