The scientists were trying to look for all possible _______ as to where this species came from.
| A．signals | B．marks | C．clues | D．spots |
Little Johnny felt the bag，curious to know what it________.
| A．collected | B．contained |
| C．loaded | D．saved |
His explanation that he is at________loss what to do next doesn’t hold________water.
| A．a；/ | B．a；the |
| C．the；/ | D．/；/ |
With economy getting worse，we have reached the point________we have to cut down our daily expenses.
| A．that | B．which |
| C．when | D．where |
To________the global financial crisis，our country has worked out a string of forceful measures over the past months.
| A．deal with | B．agree with |
| C．turn out | D．put out |
The hurricane was________powerful that quite a lot of big trees in our town were knocked over last night.
| A．very | B．too |
| C．so | D．such |