Complete each of the following sentences by choosing the option that most suitably fills the space;

Before the operation, the dentist found that his patient's teeth....

Complete each of the following sentences by choosing the option that most suitably fills the space;
The employer, not the salesman and his representative .... responsible for the loss

Complete each of the following sentences by choosing the option that most suitably fills the space:
Last week, the .... at the theatre was the largest I had ever seen.