.The new dictionaries are very useful. They ________ well and ________ already .
| A．sell; have been sold out | B．sold; had sold out |
| C．sell; sell out | D．are sold; have been sold out |
--- You are always full of _____. Can you tell me the secret?
--- Taking plenty of exercise every day.
| A．force | B．energy | C．strength | D．power |
Tom thinks _____ important to get to know his students well.
| A．that | B．it | C．this | D．him |
_____ is known to us all _____ Lu Xun is famous for his great works_____ a great writer.
| A．It; that; for | B．It; that; as |
| C．As; / ; for | D．As; that; as |
When he left _____ college, he got a job as _____ reporter in a newspaper office.
| A．/; a | B．/; the | C．a; the | D．the ;the |
We _____ a word unless she asks us_____.
| A．didn’t dare say; to | B．don’t dare to say; to |
| C．dared not say; to say | D．dare not to say; to say |