Though Sundays are _________ as a day for rest, we must make good use of them.
| A．set up | B．set down |
| C．set aside | D．set off |
—Americans spend more on health care than most other people .
— You’re right . But a new study shows that life in the United States is falling .
| A．development | B．position | C．experience | D．expectancy |
Now the workers in the firm are laying on oil pipeline the desert .
In fact , the old couple looked forward every week their grandson .
| A．to see | B．to seeing | C．see | D．seeing |
Just then it suddenly to me that the two of us could share the dinner together .
| A．happened | B．hit | C．occurred | D．struck |
I could not remember the text .
| A．However hard did I try | B．However hard I tried |
| C．However I tried | D．However had I tried hard |