---- It is a long time since I saw my sister. ----________ her this weekend?Why not to visit B. Why not visit C. Why not visiting D. Why don’t visit
You have to keep on learning if you want to keep ______ with the development of modern science and technology.
Go about your business your own way. Don’t _____what others think or say.
It might be very difficult to find the ____ of the information.
Even though she has many ______, I _______ any less.
We have to ______ a time to discuss the matter again.