9.The publishers are confident that the books ______________ next month will sell well.
______ is often the case in science, there is no simple answer
The airport ______ next year will help promote tourism in this area.
______ you said at the meeting describes a bright future for the company.
I got to the office earlier that day, ______ the 7:30 train from Paddington.
I want to open the door, but it _____ open.