---He lost his job last week, but he seems happy．
---I think he to put on a brave face．
A. is trying
B. tries
C. tried
D. has tried
网友回答
(答案→)A. is trying
B. tries
C. tried
D. has tried
解析：考查时态：句意：他上个星期失业了，但看起来好像很高兴。--我想他是努力的想装出勇敢的面孔。从句意看是现阶段正在做，用现在进行时，选A。