She won't go unless________.
| A．invite | B．invited |
| C．will invite | D．are inviting |
—Who called me this morning?
—________ Mr.Li.He asked you to visit Shenzhen and said that ________ Shenzhen today is different from what you saw thirty years ago.
| A．/；/ | B．A；/ | C．/；the | D．A；the |
What ________ surprise to see you here!
| A．the | B．/ | C．a | D．an |
________ walk is expected to last all day，so bring ________ packed lunch.
| A．A；a | B．The；/ | C．The；a | D．A；/ |
—I find it very difficult to read ________ novel you lent me last week.
—Yes.It's necessary to have ________ good knowledge of history.
| A．the；/ | B．a；/ | C．the；a | D．a；a |
—What do you think of the manager of your company?
—Oh，he is ________ manager who's pleasant to work with.It's ________ pleasure to work with him.
| A．the；a | B．a；a | C．a；the | D．/；a |