Question

Question 7- Go back to exercise 5 to ask and answer questions as in the example.

a. Was Percy Spencer eating (eat) a chocolate bar when he accidentally discovered microwave radiation?

(walk past/a radiation tube) No, he wasnÕt. He was walking past a radiation tube.

b. Dr. Harry Coover (use) a gun when he accidentally discovered superglue?

(develop/gun sights)

c. Constantin Fahlberg (wash) his hands when he accidentally discovered

artificial sweetener? (eat/biscuits)

Answer 1

b) Was...using.
No, he wasn't. He was developing gun sights.
c) Was...washing.
No, he wasn't. He was eating biscuits.