[单项选择]It's high time we ______ something to stop road accidents.
A. did
B. are doing
C. will do
D. do

[单项选择]It's high time we ______ something to stop road accidents.
A. did
B. are doing
C. will do
D. do

[填空题]It’s high time that we (do)（）something to stop pollution.

[单项选择]It's high time we ______ something to stop air pollution.
A. are doing
B. did
C. have to do
D. must do

[单项选择]It’s high time that something ______ to prohibit selling fake commodities.
A. must be done
B. was done
C. be done
D. were done

[填空题]We can experience stress any time we feel we don’t have (36) . It can come from a feeling that we can’t do anything about. Basically, it is the body’s way of showing worry or (37) .
Stress is not just caused by our mental or (38) condition, it is also (39) by how tired we are, whether we have a (40) diet with enough vitamins and minerals, whether we get enough physical exercise, and whether we can (41) .
If we feel stressed, there are several things that we can do. First, we need to learn how to relax and breathe slowly and (42) .
We can also take some time out of our worried, busy (43) to notice the small things in life. Smell the air, look at the flowers, notice the small designs in the leaves on a tree -- (44) We need to take care of our bodies. (45) .
Finally, we need to find what is causing the stress in our lives. Once we have found it, we need to begin to change that

[单项选择]I hope they ______ this road by the time we come back next summer.
A. have repaired
B. will repair
C. are to repair
D. will have repaired

[单项选择]Many people view retirement as a time to stop working. But new research shows that people who take on full-or part-time jobs after retirement have better health.
The finding is based on data collected from 12,189 men and women over a 6-year period. The participants, who were from ages 51 to 61 at the start of the study, answered questions about their employment history, experiences after retirement and their physical and mental health. Researchers from the University of Maryland found that men and women who kept working after retirement had fewer major diseases or disabilities than those who quit work, according to the study. Retirees benefited whether the work was a full-or-part-time job, self-employment or temporary.
While working after retirement is good for you, the data also suggest that retirees shouldn’t take on just any job. Among those who kept working, the retirees who found work related to their previous careers had the best mental health. The study authors spe
A. Working and Health.
B. For a Healthy Retirement, Keep Working.
C. Watch out Your Retirement.
D. Three Studies to Remind You of Your Health.