The book is popular because the author wrote it in friendly and _________ language.
A.confusing B.difficult C.ordinary D.special
The company wants to _______ its leading position in business.
A.maintain B.leave C.recognize D.balance
Students can ________ knowledge from teachers and books.
A.approach B.illustrate C.acquire D.prove
The picnic was __________ because of the rain.
A.allowed B.postponed C.maintained D.hung
Despite their different _________, they become best friends.
A.personalities B.qualities C.accents D.types
He felt relaxed and comfortable to be back in _________ surroundings.
A.famous B.difficult C.unusual D.familiar
