shy boy, who lacks ______ confidence, doesn’t get ______ attention he deserves.

下列各句划线的成语，全是褒义词的一项是（ ）

idges over the Fuyang River have been rebuilt,_________ it possible for boats to sail

Privatecarsarerequiredtotaketurnsoffroadsoneoutoffiveweekdays___thetrafficpressure.

I’m very happy that my lost pet bird arrived home ________ a snowy morning .