Great changes ______ in my school in the past ten years.
| A．took place | B．were taken place |
| C．have taken place | D．have been taken place |
—I promise that sheget a nice present on her birthday.
—It will be a big surprise to her.
| A．should | B．must | C．would | D．shall |
We had better hurry.Our teacherus.
| A．wait for | B．must wait for |
| C．must be waiting for | D．has waited for |
—you please write a 3 000word report about this subject for me?
—Perhaps Ionly write a 1 000 word one,but I even doubt it.
| A．Could;might | B．Would;might | C．Might;could | D．Would;could |
Shelly had worked hard for her biology examination so that she could be sure of passing it at her first .
| A．attention | B．purpose | C．attempt | D．desire |
Shortly after the accident,two police were sent to the spot to keep order.
| A．dozen of | B．dozens | C．dozen | D．dozens of |