Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.[ ]

These old pictures remind me of the college days_____ they spent together.

Let’s go to find our manager in his office. —It’s so late at night. He _____be there . Let’s make it another day.[ ]

How did you deal with the order? —- I handed it to ______ I think is in charge of sales.

Since no one really knows what effects the GM food might have _____ us humans, many countries think that they should be cautious _____ this new technology