Only through _______ talks can we build trust and only through cooperation can we create _______ win-win economic situation.

Instead of sendinge-________ mail, Nancy talks with her mother onmobile phone once a week．

1. A.
   the; a
2. B.
   an; the
3. C.
   an;/
4. D.
   /; the

Only through _______ talks can we build trust and only through cooperation can we create ________ win-win economic situation．

________ Smiths are on holiday now, but ________ White often comes to look for them．

1. A.
   The … a
2. B.
   a … the
3. C.
   a … a
4. D.
   the … the

The color green in ancient Egypt symbolized spring, which is the time of _______ year when things in nature start to grow after _______ long winter.