1.AIDS is said____the biggest health challenge to both me and women in that area over the past few years.
A.that it is B.to be C.that it has been D.to have been
选D.时间是过去的几年里,用现在完成时,It is said to do句型.
2.It was in the small house____ was built with stones by his father___ he spent his childhood.
A.it;that B.that ;where C.that;that D.that ;which
选C.It was In the small house taht he spent his childhood.强调句,that was built with stones by his father定语从句修饰house.
3.This printer is of good quality.If it ____break down within the first year,we would repair it at our expense.
A.would B.should C.could Dmight
选D.情态动词,用might表推测.
4.Is this museum____they visited last month?
A.that B.where C.which D.the one
选D.表语从句