Choose the correct word to fill in the gaps
invented discovered
a) Mike invented device but it was his brother who put in on the market
b)Columbus discovere America in 1492

A 1.a) work, b) job

2. a) toddler, b) infant

3. a) salary, b) wage

4. a) lift, b) raise

B 5. permission,

6. freelancer

7. shift