It's not good to come late ----school.They arrived ----Guang

for
in on
be late for school,上学迟到,一般都用介词for.
广州属于较大的地点,所以用on
有具体的日期的时候,在早上用介词at.
It's not good to come late ____school.（for)
They arrived ____Guangzhou ____the morning of May 25.
A.at;in B.in;in C.in;on D.at;during
选C
My father returned at 10 o'clock____of June 15.
A.in the night B.by the night C.on the night D.at night
C理由同上
He often mistakes me __my brother.
A.to B.as C.for D.with
选B,mistake sb.as sb.把某人误认为某人
China has built a Great Green Wall ___the northen part ___the country.
A.to;in B.across;of C.across;on D.at;of
D 具体某部分用at,of表示所有格.