All her time________ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing |
| C．devoting to doing | D．is devoted to doing |
---Do you want to come with us?
---No, I would rather ______ at home than _____ with you.
| A．to stay; go | B．to stay; to go |
| C．stay; go | D．stay; to go |
Dr Yuan Longping grows _____ is called super hybrid rice, _____ has a high output.
| A．what; which | B．that; what |
| C．that; which | D．what; that |
There is still much to discuss. We shall, ______, return to this at our next meeting.
| A．so | B．however |
| C．because | D．Therefore |
The BRICS countries have____ to be a source of global economic development and essential to generations.
| A．turned out | B．picked out |
| C．put out | D．taken out |
His best movie was about the life of Gandhi in India, ______ won several Oscar awards.
| A． where | B．who | C．which | D．that |