The USA has a quarter of the leading 200 in the latest ranking of the world universities, _________ 30 of the universities are in the UK.
The police were seeking more information to find out ____ the rich film star.
Between the two roads ____ a TV tower called "Skyscraper Tower".
A middle-aged woman came ____to the bus stop only ___ the bus had gone.
Every boy and every girl as well as some teachers who ___ to visit the museum _____required to be at the bus station at 6:30.
I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.