According to the factory safety rules, all accidents _____ be reported to the safety officer.
________, he stopped working to have some snacks.
The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”
He _______ foreigners in his cafe before, so he didn’t know how to serve the American family.
Rather than _____ at home I’d prefer ________out to get close to ________nature.
Qingdao lies______ the south of Shandong Province, ________ the north of Shanghai, and___________ the eastern coast of China.