两道英语题 PS:请写出为什么
问题描述：
两道英语题 PS:请写出为什么
1.It is _____(disappoint) to see a _____(disappoint) expression on his face.
2.I don't know when he _____(come).But when he _____(come),please tell him the news.
答
1.disappointing(形容词,加ing形容物的）be disappointing to do 失望做某事
disappointed(形容词 ,加ed形容人的)
看到一个失望的神情这是令人失望的
2.will come(根据句意这是一般将来时)
comes(从句用一般现在时,he是第三人称单数,come加s)