题目内容
________ at the result, the boss left without saying any word.
A. Having disappointed B. Disappointing
C. To be disappointed D. Disappointed
D。句意为:对结果非常失望,老板没说话就离开了。be disappointed at意为“对……感到失望”。由于主语the boss感到失望,所以不能用disappointing。
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