As we all know, ______ medical examination will help us find out health problems as early as possible.
| A．common | B．general | C．regular | D．normal |
— How much influence will your time in high school have on the rest of your life?
— It ______ be quite a lot, or perhaps only a little.
| A．might | B．must | C．should | D．can |
If Peter had not hurt his leg, he ______ the important meeting last week.
| A．will attend | B．attended |
| C．would have attended | D．would attend |
______ yourself, you should never put convenience before safety.
| A．Protecting | B．Having protected | C．Protect | D．To protect |
The past year has seen people around the world honoring Nelson Mandela, _____ passed away on Dec 5 at the age of 95.
| A．who | B．which | C．that | D．when |
The aging population _____ each day .There must be some kind of interesting activity for the old.
| A．has grown | B．grew | C．will grow | D．is growing |