No reader ________ take away a book from the library without the permission of the librarian.
Accent, tone, _______ and vocabulary can affect the ability of a language learner to understand or to be understood.
I ____ ping-pong quite well, but I haven’t had time to play since the New Year.
---Joan was badly injured in the accident yesterday and she was sent to hospital. ---Oh, really? I______. I ______ visit her.
With more forests being destroyed, huge quantities of good earth ______ each year.
_______the Internet is bridging the distance between people, it may also be breaking some home or will cause other family problems.