We are sorry to have to announce that the Leeds train that _____ due to arrive at 12 : 20 has been delayed by one hour and will now arrive at 13 : 20.
When we visited our headteacher again ten years later, he had changed so much that we could hardly ________ him.
Your new product ________ better if it is advertised on TV.
______ has finished the work ahead of time will be rewarded though we don’t know______ it will be.
Tom apologized for______ to inform us of the change in the working plan.
Progress so far has been very good. ______, we are sure that the project will be completed on time.