Выберите правильную форму сказуемого:
1.     The rapid expansion of the flower market … many vegetable growers to grow flowers.
A  is induced    B have induced    C  has induced    D induced
2.     These fertilizers … now.
A   apply    B are being applied    C  were applied      D  is applied
3.     Many legumes … by honey bees.
A  pollinate    B are pollinating    C are pollinated      D will pollinate
4.     They … additional nitrogen.
A  don’t require    B doesn’t require    C  isn’t required     D requires