单选题 Consumer spending is often an ______ of public confidence in the economy.
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单选题 If you really want to apply for the dangerous job I won't ______, though I think it's a crazy idea.
单选题 Many university students experience severe tension as final exams ______.
单选题 Mr. Tyler used to eat with a napkin (餐巾) ______ under his chin.
单选题 I ______ that you wouldn't like to stay indoors (在室内) if it were not raining.
单选题 Miss Main kept practicing until she finally ______ herself for the job.
单选题 We have four hours of English a week, including one ______ in the language lab.
单选题 Their holiday trip was ______ by the frantic search for their lost passports.
单选题 She's still ______. I'll ask her to call you when she gets home.