What is the best _______ to learn a foreign language?

Bats use _______ waves to detect objects in the dark.

Dogs have a strong _______ of hearing and smell.

This car is equipped with a rain _______ that automatically wipes the windshield.

In cold countries, drivers add _______ to their car engines.

We must find an _______ solution to this problem.

The label won’t _______ to the wet surface.

Sewing clothes by hand is a _______ process.

Each _______ is unique in shape.

She managed to _______ quickly from her illness.

Solar power is a _______ way to produce energy.

Dust can _______ on the bookshelves if you don’t clean them.

The weather report was sent via a communication _______.

The sales _______ increased sharply last year.

The ice began to _______ as the sun came out.

The device sent out a short _______ of noise.

This website is easily _______ for all users.

The driver cleaned the snow off the _______ before driving.

The company plans to _______ more products to Europe next year.