DIY: modals intermediate plus 6a

Some home repairs are easy and you _____ consult an expert.​

• don't have to

• should

• mustn't

• ought to

Some home repairs are easy, but there are others that you _____ try yourself.

• ought not to

• must

• should

• have to

You _____ call a specialist to do minor repairs.

• don't have to

• mustn't

• must

• have to

You _____ get in an expert for more complicated jobs.

• should

• don't have to

• mustn't

• needn't

You _____ switch off the power before doing any small electrical repairs.

• have to

• ought to

• needn't

• mustn't

You _____ be a qualified electrician to make any changes to the electrical system.

• must

• should

• ought to

• don't have to

You _____ go up on the roof alone.

• ought not to

• need to

• have to

• have not to

If you simply want to check something, you _____ always have a helper.

• should

• must

• mustn't

• shouldn't

You _____ call an expert to move your oven.

• needn't

• mustn't

• need

• must

However, you _____ install a new water heater yourself.

• mustn't

• don't need

• must

• need