What is Lucy doing now?—She _____ a book.

Thank you _____ helping me _____ my work. [ ]

The small town is so good a place _____ many people come to visit ____ it has become well known all over the world.

The plane for Yunnan will______ in two hours. Let’s go to the airport as soon as possible.

Mum, may I watch TV for a while ? –of course, if your work _____.