Вместо точек, нужно поставить правильный ответ. (Варианты указаны).

..... is a person who works in hospitals and helps doctors.
1) A hurse. 2) A baker. 3) A butcher. 4) A grocer.

Children ... help their parents.
1) Has to. 2) Must. 3) Is. 4) Do.

Ann and Tom ... busy at the moment.
1) Can. 2) Am. 3) Is. 4) Are.