There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early unless you think it is necessary.
| A．doesn't go | B．not to go |
| C．not going | D．don't go |
The number of people who __________ cars __________ increasing in China.
| A．owns; are | B．owns; is |
| C．own; is | D．own; are |
Every possible means __________ to save the wounded soldier up to now.
| A．was tried | B．were tried |
| C．have been tried | D．has been tried |
Not only I but also Jane and Mary __________ tired of doing the same thing all the time.
| A．is | B．are |
| C．am | D．be |
Either you or one of your students __________ to attend the meeting that is due tomorrow
| A．are | B．is |
| C．have | D．be |
Healthy eating as well as regular exercise __________ a good way to keep healthy.
| A．is | B．was |
| C．are | D．were |