高一被动语态句型转换

题目

高一被动语态句型转换
1.the teacher is going to mark the student's homework tonight.
the student's homework ___ ___ ___ ___ ___ by the teacher tonight.
2.the parents were taking good care of their test-tube baby last night.
their test-tube baby ___ ___ ___ ___ ___ ___ by the parents.
3.they have sold out the light green dresses by the end of last week.
the light green dresses ___ ___ ___ ___ out by the end of last week.

答案

1.is going to be marked
2.was being taken good care of
3.have (just) been sold(?多一个空?）