To get an education, _________.
| A．working hard is very important | B．working hard is needed |
| C．one must work hard | D．it is needed to work hard |
Rainforests ____ and burned at such a speed that they will disappear from the earth in the near future.
| A．cut | B．are cut | C．are being cut | D．had been cut |
—Peter, hurry up! You ______ on the phone.
—Oh, I ______. Thank you.
| A．are being wanted; will come | B．are wanted; am coming |
| C．want, come | D．will be wanted; should come |
I can’t leave the office now. A lot of work ________ to be done.
| A．is remained | B．left | C．remains | D．have |
This book _____ ten units, ______ three mainly revision.
| A．contains; including | B．includes; containing | C．contains; containing | D．includes; including |
When his mother came in, the boy pretended ______.
| A．reading | B．being read | C．to read | D．to be reading |