We have already placed an order ____ that company _____ the machines

In order to finish the work on time.the man in charge decided to ______ some more workers. [ ]

George will soon fall behindhe finds a better way and applies it to practice.

The concert byLang Lang was so well _________ that all the tickets had been _________ on thefirst three days last month

of danger in the street at night, she had to gohome, with a friend ____ her.