---Have you heard that Tom, as well as his parents, ________ moved to Beijing ? ---Really ? No _________ I haven’t seen him for a long time.

 How close parents are to their children ________ a strong influence on the development of the children's characters.

—Mum, look! My trousers _____ short. Can you buy me a new _____?—OK.

—Remember that where and when two different English question words___________. —I see, but can you tell us how to use them, sir?

We collected a lot of books to get the necessary information but only half _________helpful, so we failed to finish the work.