In the afternoons, I usually stay and study in the classroom until 6:30, _______ most of my classmates have got home.
One third of our school _________ covered by trees, while the majority of our students ________ girls.
People in China don’t like hugging each other when meeting, which _________ a common __________ in some European countries.
___________, the northerners are fond of dumplings while the southerners are fond of rice.
Not ______ openly may make one’s point confusing, while careless words are ______ to hurt others’ feelings.
--- Some more wine? --- Thank you. __________. I have to drive home.