【单选题】I am not sure whether I want to take this course; I may _________ for the first week to see if I like it.
【单选题】为使耻骨前弯消失,应提起阴茎与腹壁成()
【多选题】F lash动画分为哪三种 ________ 。
【简答题】The governor is occupied ________ the meeting at the moment. May I take a message?