课时作业02
Ⅰ.用所给词的适当形式填空
1．________ (complicate) problems are not easy to solve.
2．Are they ________ (profession) workers?
3．They have ________ (appoint) a new teacher at my daughter's school.
4．Sadly, the village was ________ (entire) destroyed.
5．This is a ________ (controverse) subject.
