The flowers in the garden smell ____.

 We may find that learning a foreign language does not have to be ______learning our mother tongue, but can in fact be as easy.

The second half of his voyage was __________ dangerous part, during which he sailed round the Cape Horn.

Mr. Smith, _______ of the ______ speech, started to read a novel.

Professor Wang is a friend of mine who works in a ________ school.