1 the director has signed this letter. 2 They have concluded the agreement
3 They have not delivered the goods yet
4 The plane will deliver the goods today
5 Students will settle this question
6 The government has restored this building
7 We have just built a lot of houses
8 The director will check the documents
9The teacher will correct the student's composition.
10 Nurses will look after patients in hospitals.
11 I will wear old clothes at home.
12 I have used my mobile phone
13 She hasn't eaten anything since this morning.
14 She has not done any school work since Monday.
15 She has had a red nose for three days.
16 She hasn't seen her friends for a week
Надо сделать эти предложения в страдательном залоге