2. The country _____ to its knees by economic problems and political instability.
A has been brought
B must be brought
C will have brought
D brings
3. The operator told Mike that the number ______ while he was calling.
A was disconnected
B had been disconnected
C has being disconnected
D is disconnected

Ответ:2.B; 3. A. Должно быть так

Объяснение: