1．Barber shops have been opened in most big hotels in foreign countries, guests can go to the ________ (barber) to have a haircut directly．
答案：barber's 句意：国外大部分大的酒店都有理发店，客人可以直接去那里理发。the barber's 指“理发店”，故填barber's。
2．The Smiths ________ (have) their breakfast when the morning post came．
答案：were having 在表示姓氏的专有名词词尾加s，前面加the，表示一家人，当这种形式作主语时，谓语动词用复数。根据语境，此处表示正在吃早餐，故填were having。
3．In recent years, Chinese arts have won the ________ (appreciate) of a lot of people outside China．
答案：appreciation 句意：近年来，中国艺术赢得了许多国外人士的欣赏。根据前面的the可知，后面使用名词appreciation，表示欣赏。
4．It was the natural disaster, rather than human errors, that ________ (be) to blame for the death of so many innocent people．
答案：was 句意：是自然灾害，而不是人为错误，应对这么多无辜人的死亡负责。强调句型中强调的主语是“the natural disaster, rather than human errors”，谓语动词与主语保持一致。带有“rather than”的结构，谓语动词与前面的名词即the natural disaster保持一致，故填was。
