.The students in the classroom ______ not to make so much noise.
a. need b. ought c. must d. dare
His long service with the education waswith a thirty-year teaching qualification.
| A．admitted | B．attributed | C．advocated | D．acknowledged |
—How did your mathematics exam go？
—I thought I ，but in fact I fell behind in the class.
| A．should have been the top 10 | B．could have been the top 10 |
| C．may have been the top 10 | D．need have been the top 10 |
The new law to punish the drunk driver has come into since it passed.
| A．effect | B．use | C．being | D．power |
一Make sure you read the directions before using the software.
—.
| A．Had it | B．Made it | C．Got it | D．Heard it |
You should be careful of such a personflatters you in your presence and speaks ill of you in behind.
| A．who | B．that | C．as | D．which |