The Acropolis was constructed in the 5th century BC ______ a high altitude above the city _____ Athena, the goddess of Athena.

Liu Xiang is ____ popular ____ many students are talking about him in and out of school.

Dad，can I go to the movies tonight?–Sure，but you__come back home before 9 o’clock.

Our hands are very important and we can do many thingsthem. [ ]

Tom’s uncle knows computers well, and he __________ a computer engineer .