With Chang’e II launched successfully, China is to send up a manned spaceship to the moon within five or six years.
The majority of doctors ______ smoking is harmful to health.
EitherJimorI ____goingtohelpthefarmerswiththeorangeharvestthisafternoon.
A good deal of money ____spent on books.
It ____I who _____leaving for London.
“You” _____ a very useful word in English.