Unit1-5 Exercise 一用所给词的正确形式填空

Unit1-5 Exercise 一用所给词的正确形式填空
There are thirty_____(woman doctor) in the hospital.
Let _____ (we) do some morning exercises,Tim
His father is a good teacher and his mother is a good _______(cook).
The child doesn’t write as ______(fast) as the students.I__________(not know) him two years ago.