After a whole day’s hard work in the field, the old peasant went home, _____.
The key to our success was having the courage to take on any job and then being creative in our ____ to getting it finished.
Though it is the first time they have met, they talked as if they _____ friends for many years.
A clean environment can help the city bid for the Olympics, which ______ will promote its economic development.
It’s quite _____ of beginners to forget to use an article before a noun.
Qingdao is _____ most beautiful coastal city and I think I’ll go there for _____ second time.