246789 Modal Verbs - online safety and using appliances wisely

You ............. use strong passwords.

• must

• mustn't

You .................. tell strangers your personal information.

• must

• mustn't

You ......check if a website is safe before using it.

• should

• shouldn't

You .................. click on strange links.

• should

• shouldn't

You .................... update your apps and programs.

• have to

• don't have to

You .................. use public Wi-Fi for banking.

• mustn't

• shouldn't

• can't

You ................ trust all emails ; some are fake.

• can

• can't

• should

You .............. unplug things when not using them.

• must

• mustn't

You ................ put too many plugs in one outlet.

• must

• can

• mustn't

• can't

You ............. read the user manual before using any new appliance.

• should

• shouldn't

• couldn't