答案:C be to blame表示“应该受责备”,从结构分析主语应当为the boy,因此选C。
3.________to sunlight for too much time, as the doctors say, will do harm to one's skin.
A.Being exposed
B.Having exposed
C.Exposed
D.After being exposed
答案:A 考查非谓语动词。从题干可知,句子的谓语“will do”没有主语,而选项B、C和D均不能在句中作主语,它们可以在句中作状语,故均可排除。而选项A为动名词的被动式,符合语境。
4.We all feel it is Jack as well as his wife that________for their son's bad performance at school.
A.are to blame
B.is to be blamed
C.are to be blamed
D.is to blame
答案:D 句意:我们都感觉是杰克和他的妻子应该对他们儿子在学校的恶劣行为负责。宾语从句是强调句,强调主语,根据主谓一致原则可知,谓语动词应用单数。be to blame意为“应负责任”。
5.The police are searching everywhere for Mr James, who they think is________to the crime.
A.linked
B.concerned
C.united
D.mixed
答案:A be linked to“与……有关”;be concerned with“与……有关”;united“联合的;团结的”;be mixed up in“与……有牵连”。
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