PASSIVE WITH MODALS

Special suits _______________________ near a volcano.

• must be worn

• must wear

• must be wore

• mustn't be worn

Gas masks __________________ near a volcano.

• must be wear

• must be worn

• must be wore

• must wear

Helmet ___________________ when you are riding your bike.

• should be worn

• should be wear

• should be wore

• should wear

The people ________________ near the active volcano.

• must help

• must be help

• must be helped

• musn't be helped

A rope _________________ to ascend.

• can use

• can be use

• use

• can be used

Safety equipment ____________________ .

• has to be checked

• have to be checked

• have checked

• has to be check

Seeds ________________ by birds.

• can be eat

• can eat

• can be eaten

• can be ate

The dishes _______________ after dinner.

• must be washed

• must wash

• must be wash

• wash

The stream ________________ .

• can be cross

• can cross

• can be crossed

• can't be cross

Safety checks ________________ before descending into a cave.

• have to be done

• has to be done

• have to done

• hasn't to be done