【题目】--Look at the picture. Tom looks so excited. He must have been on a wonderful trip.
--Yeah, he ______ himself in Australia.
A.is enjoyingB.was enjoying
C.has been enjoyingD.would enjoy
在线课程【答案】B
【解析】
考查时态。句意：——看这幅画。汤姆看起来很兴奋。他这次旅行一定很愉快。——是的，他在澳大利亚玩得很开心。表示过去在某一时间段或某一段时间内正在发生或进行的动作或状态，用过去进行时，故选B。