______ advertisement uses ______ words and pictures the advertisers think of to convince people to buy ______ product or________ service, or to believe in an idea.
| A．An; the; a; / | B．An; /; the; a |
| C．The; /; a; / | D．The; the; /; the |
When he _______ the door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |
Most Americans would prefer to keep their problems ______ themselves, and solve their problems ______ themselves.
| A．to; by | B．by; to | C．for; to | D．in; on |
Every evening after dinner, if notfrom work, I will spend some time walking my dog.
| A． | being tired | B． | tiring | C． | tired | D． | to be tired |
Nine in ten parents said there were significant differences in their approach to educating their children compared with __ of their parents.
| A．those | B．one | C．both | D．that |
Many young people in the West are expected to leavecould be life' s most important decision -- marriage -- almost entirely up to luck.
| A． | as | B． | that | C． | which | D． | what |