We have just (to order) a three-course dinner.
Peter (to sunbathe) since 10 o'clock this morning
What are Andrew and David doing? - They (to work) in the garden for three hours
Your travel agency (to sell) separate services ? - Yes, it (to do)
We don't often (to raise) our prices more than 5% , but this year our agency (to raise ) them 10%

We have just ordered a three-course dinner.Peter has been sunbathing since 10 o'clock this morning What are Andrew and David doing? - They have been   working in the garden for three hoursDoes Your travel agency sell separate services ? - Yes, it doesWe don't often  raise our prices more than 5% , but this year our agency has  raised them 10%