--- Playing table tennis.
| A．killing time | B．to kill time |
| C．spending the time | D．to spend the time |
The majority of doctors ______ smoking is harmful to health.
| A．are believed | B．had believed | C．has believed | D．believe |
EitherJimorI ____goingtohelpthefarmerswiththeorangeharvestthisafternoon.
| A．was | B．am | C．is | D．are |
A good deal of money ____spent on books.
| A．have | B．has | C．have been | D．has been |
It ____I who _____leaving for London.
| A．is…is | B．am…is | C．is…am | D．am…am |
“You” _____ a very useful word in English.
| A．are | B．is | C．has | D．become |