---Does tiredness or inadequate sleep cause dark circles under eyes?---Lack of sleep will _______ making your skin look pale, and this will make your circles look darker.
“Drive-ins” have large parking lots _______ customers are served in their cars by waitresses.
If you _______ a high fever and a bad headache, you are advised to consult a doctor.
The CCTV Spring Festival Gala Evening _______ annually since 1983.
—Going to the dentist really frightens me. —_______. Don’t be a chicken!
_______ it is so hot, I guess we can’t do anything until after dark.