【题目】He tried his best to cover up the truth, but his expression _____ him _____.
A. gave...off B. gave...out
C. gave...away D. gave...up
在线课程【答案】C
【解析】
考查动词词组。句意：他尽力掩盖事实，但他的表情泄露了他的秘密。A. gave...off发出光热等；B. gave...out分发，发出，公布；C. gave...away赠送，泄密；D. gave...up放弃。结合句意可知答案为C。