unit 2 lesson 4

Audio unit 2 lesson 4 Ingles 3 cetis 60

Exercise 7. find six verbs in the puzzle. use them to complete the sentenses in the correct tense. Lesson 4

a yesterday l leave the house at 7:00 a.m to go to school.

b she made five calls on her cell phone last night

c Charles Darwin wrote on the origin of species in the 19 country

d he heard the Jitterbug one touch because the volumen was on loud

e last week we went to the zoo and saw orangutan.

f dr. martin cooper began working for motorola in the 1950s.

Exercise 8. expand these notes to make a paragraph about the invention of the microwave. Lesson 4

1946/ Percy LeBaron spencer/ invent/ the microwave oven by accident

He/ be/ engineer/ the raytheon corporation

the corporation of engineers raytheon
One morning/be/ his laboratory

one morning in the laboratory
He /have / a candy bar / his pocket
he have his pocket a candy bar

He/doing an experiment / with a mangnetron /when /the chocolate/ melt

doing an experiment with a magnetron to form a molten mass of chocolate
Then / try/ another experiment with popcorn

He/k now /this / be / an important discovery

Microwave ovens/be /soon very popular