EMP B1 unit 5 - grammar review

Employees must not use their computers to send personal information.

"We ________ use our computers to send personal emails."

• have to

• don't have to

• can't

• all the above

Employees can leave the building at lunch time.

"We _____ stay in the building at lunch."

• must

• have to

• can't

• don't have to

Employees ________ use social media.

"We can't use social media at work."

• must

• don't have to

• must not

• will

Employees _________ make local phone calls on company phones.

"We don't have to use our mobile phones to make local calls."

• can

• can't

• must

• all the above

Employees _________ wear a shirt and tie.

"We have to wear a suit and tie."

• can

• must not

• must

• don't have to