Scientists photographed for the first time ever _____ wild gorillas used a stick to test the depth of a pool before getting into it, according to a recent study.
| A．which | B．what | C．that | D．when |
He is said ________ college in America, studying music.
| A．to be attending | B．that attend |
| C．to be attended | D．that attending |
In 2012 Mo Yan won the Nobel Prize for Literature, ________ a host of imitators.
| A．inspiring | B．inspired |
| C．having inspired | D．to inspire |
He is afraid to face the difficulty he thinks he'll have ________ the driving test tomorrow; he finds it difficult ________ rid of the worries.
| A．passed; to get | B．passing; to get |
| C．to pass; getting | D．in passing; in getting |
The Diaoyu islands have been part of China's territory since ancient times, ________ as important fishing grounds of Taiwan.
| A．served | B．to serve |
| C．serving | D．having served |
In order to jump, your body changes the chemical energy ________ in the food you have eaten into mechanical energy.
| A．being stored | B．storing |
| C．stored | D．having been stored |