Simon made a big bamboo box _______ the little sick bird till it could fly.
| A．keep | B．kept | C．keeping | D．to keep |
We use human translators rather than machines as we believe human persons are more.
| A．beneficial | B．sensitive | C．reliable | D．valuable |
The human mind can many tasks that other animals cannot, like using language and judging what other people are thinking．
| A．carry out | B．take out | C．put out | D．bring out |
It is a difficult problem for high school studentsthey can properly use the Internet．
| A．what | B．where | C．when | D．whether |
Many countries are now setting up national parks _animals and plants can be protected.
| A．which | B．whose | C．when | D．where |
It was my birthday, so all the drinks wereme．
| A．with | B．in | C．on | D．after |