After staying in hospital for long, the patient was advised to go to the seaside to _____ his health.
He's one of those people with a very _______ imagination --- every time he hears a noise he's convinced it's someone breaking in.
My friend Miriam felt it was out of _____ question for her to visit China without going to see the terracotta warriors, so I helped her arrange _____ tour to Xi’an.
Hawaii, however, provides an ideal location to _____ the technology at a low price.
It is recommended that you ________ your accommodation in advance in tourist season, as you may find all the best hotels are not accessible.
Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.