—What do you think of the book?
—Oh, excellent. It’ s worth ______ a second time.
| A．to read | B．to be read | C．reading | D．being read |
All the guests were dancing and singing when suddenly the light _________.
| A．turned up | B．went off |
| C．took away | D．carried on |
Do you think it necessary that we have all the chairs_________?
| A．to be replaced | B．replace |
| C．being replaced | D．replaced |
________do you think _________ the monitor of our class?
| A．Who;to be | B．Who;will be |
| C．Whom;to be | D．Whom;will be |
.We were about to go downstairs when the lights_________.
| A．turned off | B．went off |
| C．gave out | D．wore out |
.Jack couldn’t answer the question_________ got the money.
| A．so he | B．as soon as he |
| C．so that he | D．how he |