The airplane ticket can be booked in advance.
Ответ: 1.
He has been appointed for the position of Sales Manager recently.
Ответ: 4.
A new computer software for auditing is being developed in our laboratory now.
Ответ: 3.
Have you been invited to participate in the trade fair yet?
Ответ: 2.
The top management decided to cut down the administrative staff in the company.
Ответ: 4.