Mistakes don’t just happen; they occur for a reason. Find out the reason and then making the mistake becomes ________.
| A．favorable | B．appropriate |
| C．essential | D．worthwhile |
--Who's the man shaking hands with our headmaster?
--A scientist ____________ to give us a talk on the history of the Party.
| A．is invited | B．invited | C．inviting | D．which is invited |
Occasions are quite rare ________I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Ford found a way to mass produce the motor car cheaply, ________ it possible for many more people to own one.
| A．made | B．to make | C．making | D．make |
I will accept your apology, but not until after you have ______ your wrongs.
| A．escaped | B．persuaded | C．admitted | D．refused |
There are plenty of jobs________ in the western part of the country.
| A．present | B．available | C．valuable | D．convenient |