She _____half an hour ____her homework last nightA.took;doing B.s_英语解答

She _____half an hour ____her homework last night
A.took;doing B.spend;do C.spent;doing D.cost;doing

人气：256 ℃　时间：2019-11-17 02:08:22

解答

选C,spend some time (in) doing sth是固定短语.