Escolha a frase que tenha o mesmo significado e sentido da frase principal do enunciado.

1_They are able to speak English well.

a_They can speak English well.
b_They may speak English well.
c_They must speak English well.

2_We are not allowed to swim in this lake.

a_We must not swim in this lake.
b_We may not swim in this lake.
c_We should not swim in this lake.

3_Are you able to drive a tractor?

a_Can you drive a tractor?
b_Must you drive a tractor?
c_Should you drive a tractor?

Quem puder ajudar eu agradeço muito!!!