Fill in with the correct form of the verbs in brackets.
People in this restaurant often … beefsteak. (order)
An expert … a person with special knowledge. (be)
The staff … a bonus at Christmas. (expect)
There … a number of different causes for this. (be)
This … because of a number of factors. (be)
For the past fi ve years his experience … been valuable to our company. (have)
Marketing information … important to all businesses. (be)
He … the experience necessary for promotion. (lack)