They were all on the job tonight, those agents, working in pairs.
They would work in pairs during the day and larger groups at night.
Sorry you can't work in pairs which is what they did on Sunday.
I think I'll advise that they work in pairs, though.
I always thought it was necessary for you to work in pairs.
There is a regular group of teachers who work in pairs with this class.
Working in pairs, you and your kids can use different body parts to balance.
After I had arranged the students to work in pairs, one student called me over.
Working in pairs, some students started written records of their findings.
"I want you to work in pairs," he told them.