Question

Complete the sentences using MUST, HAVE/HAS TO, HAD TO. I. People __________ be healthy to donate blood. II. I am a doctor and I ___________ wear my White uniforma at the hospital. III. Tony ___________ study many years before become a surgeon.
Have to – has to – must
Must – have to – had to
Must – must – have to
Had to – have to – has to
Have to – must – have to

Answer 1

Resposta:Must- Have to- had to

Explicação: