30. The No. 5 subway line, ______in October, 2007, has greatly improved the traffic conditions in Beijing.
One reason for her preference for city life is ___________ she can have easy access to places like shops and restaurants.
___________ the city center, we saw a stone statue of about 10 meters in height.
____________ you may have, you should gather your courage to face the challenge.
Lucy has a great sense of humor and always keeps her colleagues_________with her stories.
I had great difficultythe suitable food on the menu in that restaurant.