Relier Pairs Robots that fly ... and cooperVersion en ligne Practice level AD5 par Sonia Martinez 1 You may need to _____________ if you want to borrow a large sum of money from the bank. 2 It's not easy to deliver a speech _______________; you usually need to prepare for it. 3 If we could ____________ what animals are saying, we'd be able to learn a lot more about them. 4 In my final year in college, I had to ____________ a classmate to build a robot. on the fly figure out jump through hoops team with