Nowadays everyone is responsible for________a harmonious society in China.
You can't imagine the difficulty he __________ into the cold river and saving the drowning girl.
Lydia doesn't feel like __________ abroad. Her parents are old.
—Your daughter is in her thirties. I can't understand __________ married again and again. —Now she is at the peak of her career. Work means more to her than anything else.
—I take exercise for about an hour every morning. —No wonder you look __________.
I have a tight budget for the trip, so I'm not going to fly __________ the airlines lower ticket prices.