You ______ last week if you were really serious about your work.
a. ought to come b. ought to be coming c. ought have come d. ought to have come
.The country needs a _____ government. We have had three Prime Ministers in a year.
| A．stationary | B．changeless | C．constant | D．stable |
There is a 20 minute parking _____ here, so we must get back to the car very quickly.
| A．freedom | B．limit | C．allowance | D．prohibition |
Because of the poor harvest, wheat prices have _____ in the last six months.
| A．added | B．jumped | C．amounted | D．developed |
I can't advise you what to do. You must use your own _____.
| A．opinion | B．guesswork | C．justice | D．judgment |
We won’t know whether it will be successful. We won’t know whether there will be good _____.
| A．ends | B．results | C．effects | D．causes |