1. Choose the right spelling : ............ .

contrect

contract

cnotract

contarct

2. Choose the right spelling : ............ .

seystem

sysetm

system

syastem

3. Choose the right spelling : ............ .

computars

computers

camputers

computars

4. Choose the right spelling : ............ .

compatitive

competative

competitive

competetive

5. Choose the right spelling : ............ .

curiaus

curieos

curious

curioues

6. Choose the right spelling : ............ .

windaows

windows

wendiows

windowes