The “Index” button will direct you to the contents of a Unit. In some tasks, the “arrow” button next to the “Index” button will enable you to jump to further points or questions within a task.

closepoliteness

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The price is higher than we expected.
I was if there is a chance to sty here for three more days.
knowledge they are very responsible and pleasant to deal with.
it be better to pay by credit card?
Could I ask you a quick question?
There to be a problem with your shipment.
There are a of things I need to discuss with you.