--- Do you think living in the country has advantages?
--- ____.
| A．Yes, perfectly | B．Yes, it is |
| C．Well, that depends | D．Nothing at all |
I ________ on a sofa because my grandparents have been here to spend the weekend.
| A．slept | B．was sleeping | C．have slept | D．am sleeping |
The Voice of China has set up a stage some people can achieve their dreams．
| A．which | B．where | C．that | D．when |
---I will have to think about it again．
--- If you _, you may lose the opportunity to compete altogether．
| A．hesitate | B．wonder | C．continue | D．fail |
Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.
| A．the; a | B．a; a | C．/; a | D．/; the |
My mother has always_______we eat every healthily.
| A．make sure | B．made sure | C．be sure | D．sure |