In the face of difficulties and drawbacks, we should learn to fort ourselves and our high spirits all the time.
A. keep up
B. go up
C. pick up
D. hold up
网友回答
(答案→)A. keep up
B. go up
C. pick up
D. hold up
解析：keep up 的意思为 “继续保持”，与 spirits搭配，表示 “保持精神；保持高昂兴致”。go up上升；pick up拾起；学到；获得；hold up阻碍。