Middle and primary school students were the first to get the A/H1N1 flu vaccine shot(甲型流感疫苗注射).This is because it is easier__for_them to get sick(对于他们来说)。
C.for
中小学生第一个得到甲型流感疫苗注射。这是因为对他们来说很容易得甲流。
句型:It is+for sb+to do sth.
选C,it is 形容词for sb to do
做....事对某人是....的
选C.
中学和小学的学生第一次注射就甲..疫苗。那是因为他们容易感染上病毒
for
it is xx for sb to do 只有当xx是人的性格时用of
C
it is + adj.+for+sb. to do sth.固定句型,”对于某人做某事是怎么样的“
形容人的性格是把for改为of