B1+U5 Modal verbs

It is obligatory to be at least 17 to drive a car.

You _______ be at least 17 to drive a car.

• can

• have to

• had better

It is obligatory to go to school until you are at least 16.

You ______ go to school until you are at least 16.

• have to

• should

• can

Voting in a general election is prohibited until the age of 18.

You ______ vote in a general election until you are 18.

• don't have to

• can't

• shouldn't

It is possible to ride a moped when you’re 16.

You ______ be 18 to ride a moped.

• don't have to

• mustn't

• shouldn't

It is obligatory to be 18 before you can get married without your parents’ permission.

You _______ be 18 before you can get married without your parents’ permission.

• ought to

• can

• must

It is impossible to change your name until you are 16.

You _______ change your name before you’re 16.

• can't

• mustn't

• shouldn't

It is impossible to change your name until you are 16.

You _______ change your name before you’re 16.

• can't

• mustn't

• shouldn't