My father has a habit of walking ________ the river for an hour in the morning.
Jack has failed the game three times, but he doesn’t want to_____.
----who ____the money and food to the people in the earthquake?-----some young people from Beijing.
---I have been to Qingdao before.----- .
—We really shouldn’t use plastic bags any more when shopping.—_____ It’s important to protect our environment.
—Our country ___progress in science and culture in recent years.