16. Last night it took Lucy _______ hour to learn a new song.
A. a B. an C. the D. /
17. CaoWenxuan won the Hans Christian Anderson Award ( 国际安徒生奖) ________ the afternoon of April, 4th.
A. at B. in C. on D. during
18. Kelly, _______ girl, wants to be a policewoman.
A. a 8-year-old B. an 8-year-old C. an 8-years-old D. an 8 years old
