With so much water being used in the bathroom,it is no _____ that more environmentally friendly technologies have come out to make better use of water resources.
| A．surprise | B．need | C．question | D．doubt |
A good friend should be kind and helpful. _________ is my mother.
| A．A such friend | B．One such friend |
| C．Any such friend | D．Such one friend |
Though he is ill，he has not quit.
| A．smoke | B．to smoke | C．smoked | D．smoking |
Evidence of a powerful volcano, which erupted under the ice sheet of West Antarctica around 325BC and might still be active now, __________ so far by British scientists.
| A．confirmed | B．has confirmed |
| C．is confirmed | D．has been confirmed |
The reason why the girl decided to leave her boyfriend was that she didn’t feel _________.
| A．accurate | B．secure | C．unbearable | D．adequate |
Youras a student will be excellent if you develop a habit of reflecting on how you learn.
| A．operation | B．growth |
| C．performance | D．character |