She is _________________ about her salary increase. A. letdown B. downpour C. over the moon D. once in a blue moon My teacher is __________________________ in Vietnamese and English. A. get up B. fluent C. bilingual D. picked up The book __________ Amelia is reading now is about the Big Bang theory. A. which B. who C. where D. what In winter, many Swedes travel to a country __________ there's a lot of sunshine. A. which B. where C. who D. whom This is the space tourism service __________ is being advertised on our webs. A. that B. who C. when D. what Our teacher asked ___________ we did all the homework. A. if B. how many C. What D. Who Students eat fresh fruits and vegetables ____________________, because they have no time. A. out of this world B. over the moon C. the sky the limit D. once in a blue moon What a restaurant the food was ______________________! A. the skys the limit B. over the moon C. letdown D. out of this world