The duties of the secretary are to receive visitors, ______.

A:opening the mail, types letters B:to open the mail and to type letters C:to open the mail and to type letters D:opening the mail type letters

学生的职责(The Duties of Students)

The manager allocates duties to the clerks.（　）

A:assign B:persuade C:ask D:order

The manager allocates duties to the clerks.（　）

A:assigns B:persuades C:asks D:orders

The manager {{U}}allocate{{/U}} duties to the clerks.

A:assign B:persuade C:ask D:order

The manager allocate duties to the clerks.

A:assign B:persuade C:ask D:order

The manager allocate duties to the clerks.（　）

A:assign B:persuade C:ask D:order

The first ship arriving of a SAR incident should _____.

A:Assume OSC duties B:Assume SMC duties C:Assume ACO duties D:Assume SRU duties"