Eplace the icons ✪ with the appropriate form of the verbs in parentheses to complete the following texts about different accidental discoveries. Use the Past Continuous tense. Write the
answers in your notebook.
a. MICROWAVE: Percy Spencer ✪ (walk) past a radiation tube and noticed that the candy in his
pocket melted.
b. POPSICLE: In 1905, Frank Epperson ✪ (try) to make a soda pop — a popular drink at that time.
He mixed the popular drink with soda water and accidently left the mixture on his porch
all night.
c. CHOCOLATE CHIP COOKIES: Mrs. Wakefield ✪ (make) chocolate cookies when she ran out of
baker’s chocolate. Then she decided to use broken pieces of semi-sweet chocolate.
d. SUPERGLUE: Harry Coover ✪ (develop) plastic lenses for gun sights, when he accidentally
created a synthetic adhesive.
e. SACCHARIN: In 1879 Constantin Fahlberg ✪ (try) to find alternative uses for coal tar, when he
came home with dirty hands and noticed that his wife’s biscuits tasted a lot sweeter.
answers in your notebook.
a. MICROWAVE: Percy Spencer ✪ (walk) past a radiation tube and noticed that the candy in his
pocket melted.
b. POPSICLE: In 1905, Frank Epperson ✪ (try) to make a soda pop — a popular drink at that time.
He mixed the popular drink with soda water and accidently left the mixture on his porch
all night.
c. CHOCOLATE CHIP COOKIES: Mrs. Wakefield ✪ (make) chocolate cookies when she ran out of
baker’s chocolate. Then she decided to use broken pieces of semi-sweet chocolate.
d. SUPERGLUE: Harry Coover ✪ (develop) plastic lenses for gun sights, when he accidentally
created a synthetic adhesive.
e. SACCHARIN: In 1879 Constantin Fahlberg ✪ (try) to find alternative uses for coal tar, when he
came home with dirty hands and noticed that his wife’s biscuits tasted a lot sweeter.
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