. Поставьте предложения в пассивный залог. Сделайте подчеркнутую часть предложения подлежащим, и переведите предложение на русский язык.
Пример: The police is guarding this house. - This house is being guarded by the police. Полиция охраняет этот дом. Этот дом охраняется полицией.
1. Thedirector has just signed the letter.
2. The committee must discuss this problem immediately.
3. The customs officer is counting the cases.

1. The letter has been signed by director.2. This problem must be immediately discussed by committee3. Cases is being counting by the customs officer