______ is recognized as the national flag-carrier.
A、TheprivateairlineB
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The first task of a brochure is to _______.
The Western Council for Travel Research in _______ employed the term visitor.
________hehasmanyfriends,heisoftenfeelinglonely.
Why couldn ’t you ________ an answer when I asked you why you were late?
Asforfamilyeducation,parentsareencouragedtorelyon________ratherthanpunishment.
